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Finding the Fourth Proportional to 60,002.40, 89,906.40 and 56,503.20

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Solution

The fourth proportional to 60,002.40, 89,906.40 and 56,503.20 is: 84,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.40 : 89,906.40 = 56,503.20 : x
  2. Step 2: Convert to fraction form
    60,002.40/89,906.40 = 56,503.20/x
  3. Step 3: Cross multiply
    60,002.40x = 89,906.40 × 56,503.20
  4. Step 4: Simplify right side
    60,002.40x = 5,079,999,300.48
  5. Step 5: Solve for x
    x = 5,079,999,300.48/60,002.40
  6. Step 6: Final answer
    x = 84,663.27

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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.