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Finding the Fourth Proportional to 99,648,216.60, 149,472,324.90 and 99,648,216.60

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Solution

The fourth proportional to 99,648,216.60, 149,472,324.90 and 99,648,216.60 is: 149,472,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,216.60 : 149,472,324.90 = 99,648,216.60 : x
  2. Step 2: Convert to fraction form
    99,648,216.60/149,472,324.90 = 99,648,216.60/x
  3. Step 3: Cross multiply
    99,648,216.60x = 149,472,324.90 × 99,648,216.60
  4. Step 4: Simplify right side
    99,648,216.60x = 14,894,650,607,340,774
  5. Step 5: Solve for x
    x = 14,894,650,607,340,774/99,648,216.60
  6. Step 6: Final answer
    x = 149,472,324.90

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1.5x scale

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.