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Finding the Fourth Proportional to 99,735.30, 149,712.30 and 62,337.60

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Solution

The fourth proportional to 99,735.30, 149,712.30 and 62,337.60 is: 93,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.30 : 149,712.30 = 62,337.60 : x
  2. Step 2: Convert to fraction form
    99,735.30/149,712.30 = 62,337.60/x
  3. Step 3: Cross multiply
    99,735.30x = 149,712.30 × 62,337.60
  4. Step 4: Simplify right side
    99,735.30x = 9,332,705,472.48
  5. Step 5: Solve for x
    x = 9,332,705,472.48/99,735.30
  6. Step 6: Final answer
    x = 93,574.75

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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.