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Finding the Fourth Proportional to 99,795.40, 149,693.10 and 62,397.70

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Solution

The fourth proportional to 99,795.40, 149,693.10 and 62,397.70 is: 93,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795.40 : 149,693.10 = 62,397.70 : x
  2. Step 2: Convert to fraction form
    99,795.40/149,693.10 = 62,397.70/x
  3. Step 3: Cross multiply
    99,795.40x = 149,693.10 × 62,397.70
  4. Step 4: Simplify right side
    99,795.40x = 9,340,505,145.87
  5. Step 5: Solve for x
    x = 9,340,505,145.87/99,795.40
  6. Step 6: Final answer
    x = 93,596.55

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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.