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Finding the Fourth Proportional to 247,476.48, 371,214.72 and 60,487.68

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Solution

The fourth proportional to 247,476.48, 371,214.72 and 60,487.68 is: 90,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,476.48 : 371,214.72 = 60,487.68 : x
  2. Step 2: Convert to fraction form
    247,476.48/371,214.72 = 60,487.68/x
  3. Step 3: Cross multiply
    247,476.48x = 371,214.72 × 60,487.68
  4. Step 4: Simplify right side
    247,476.48x = 22,453,917,194.65
  5. Step 5: Solve for x
    x = 22,453,917,194.65/247,476.48
  6. Step 6: Final answer
    x = 90,731.52

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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.