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Finding the Fourth Proportional to 99,483.97, 149,132.15 and 49,516.83

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Solution

The fourth proportional to 99,483.97, 149,132.15 and 49,516.83 is: 74,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,483.97 : 149,132.15 = 49,516.83 : x
  2. Step 2: Convert to fraction form
    99,483.97/149,132.15 = 49,516.83/x
  3. Step 3: Cross multiply
    99,483.97x = 149,132.15 × 49,516.83
  4. Step 4: Simplify right side
    99,483.97x = 7,384,551,319.08
  5. Step 5: Solve for x
    x = 7,384,551,319.08/99,483.97
  6. Step 6: Final answer
    x = 74,228.55

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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.