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Finding the Fourth Proportional to 247,638.33, 371,459.12 and 60,649.83

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Solution

The fourth proportional to 247,638.33, 371,459.12 and 60,649.83 is: 90,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,638.33 : 371,459.12 = 60,649.83 : x
  2. Step 2: Convert to fraction form
    247,638.33/371,459.12 = 60,649.83/x
  3. Step 3: Cross multiply
    247,638.33x = 371,459.12 × 60,649.83
  4. Step 4: Simplify right side
    247,638.33x = 22,528,932,176.70
  5. Step 5: Solve for x
    x = 22,528,932,176.70/247,638.33
  6. Step 6: Final answer
    x = 90,975.14

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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.