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Finding the Fourth Proportional to 62,470.40, 93,727.20 and 60,310.40

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Solution

The fourth proportional to 62,470.40, 93,727.20 and 60,310.40 is: 90,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,470.40 : 93,727.20 = 60,310.40 : x
  2. Step 2: Convert to fraction form
    62,470.40/93,727.20 = 60,310.40/x
  3. Step 3: Cross multiply
    62,470.40x = 93,727.20 × 60,310.40
  4. Step 4: Simplify right side
    62,470.40x = 5,652,724,922.88
  5. Step 5: Solve for x
    x = 5,652,724,922.88/62,470.40
  6. Step 6: Final answer
    x = 90,486.45

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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.