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Finding the Fourth Proportional to 60,017.78, 90,104.43 and 37,875.62

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Solution

The fourth proportional to 60,017.78, 90,104.43 and 37,875.62 is: 56,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,017.78 : 90,104.43 = 37,875.62 : x
  2. Step 2: Convert to fraction form
    60,017.78/90,104.43 = 37,875.62/x
  3. Step 3: Cross multiply
    60,017.78x = 90,104.43 × 37,875.62
  4. Step 4: Simplify right side
    60,017.78x = 3,412,761,151.00
  5. Step 5: Solve for x
    x = 3,412,761,151.00/60,017.78
  6. Step 6: Final answer
    x = 56,862.50

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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.