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Finding the Fourth Proportional to 92,388.52, 127,411.14 and 60,545.80

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Solution

The fourth proportional to 92,388.52, 127,411.14 and 60,545.80 is: 83,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,388.52 : 127,411.14 = 60,545.80 : x
  2. Step 2: Convert to fraction form
    92,388.52/127,411.14 = 60,545.80/x
  3. Step 3: Cross multiply
    92,388.52x = 127,411.14 × 60,545.80
  4. Step 4: Simplify right side
    92,388.52x = 7,714,209,400.21
  5. Step 5: Solve for x
    x = 7,714,209,400.21/92,388.52
  6. Step 6: Final answer
    x = 83,497.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.