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Finding the Fourth Proportional to 99,773.60, 149,458.80 and 62,218.40

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Solution

The fourth proportional to 99,773.60, 149,458.80 and 62,218.40 is: 93,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,773.60 : 149,458.80 = 62,218.40 : x
  2. Step 2: Convert to fraction form
    99,773.60/149,458.80 = 62,218.40/x
  3. Step 3: Cross multiply
    99,773.60x = 149,458.80 × 62,218.40
  4. Step 4: Simplify right side
    99,773.60x = 9,299,087,401.92
  5. Step 5: Solve for x
    x = 9,299,087,401.92/99,773.60
  6. Step 6: Final answer
    x = 93,201.88

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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.