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Finding the Fourth Proportional to 99,793,606.70, 149,690,410.05 and 48,708,397.10

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Solution

The fourth proportional to 99,793,606.70, 149,690,410.05 and 48,708,397.10 is: 73,062,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793,606.70 : 149,690,410.05 = 48,708,397.10 : x
  2. Step 2: Convert to fraction form
    99,793,606.70/149,690,410.05 = 48,708,397.10/x
  3. Step 3: Cross multiply
    99,793,606.70x = 149,690,410.05 × 48,708,397.10
  4. Step 4: Simplify right side
    99,793,606.70x = 7,291,179,934,777,232
  5. Step 5: Solve for x
    x = 7,291,179,934,777,232/99,793,606.70
  6. Step 6: Final answer
    x = 73,062,595.65

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.