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Finding the Fourth Proportional to 103,614.61, 155,255.80 and 93,650.13

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Solution

The fourth proportional to 103,614.61, 155,255.80 and 93,650.13 is: 140,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.61 : 155,255.80 = 93,650.13 : x
  2. Step 2: Convert to fraction form
    103,614.61/155,255.80 = 93,650.13/x
  3. Step 3: Cross multiply
    103,614.61x = 155,255.80 × 93,650.13
  4. Step 4: Simplify right side
    103,614.61x = 14,539,725,853.25
  5. Step 5: Solve for x
    x = 14,539,725,853.25/103,614.61
  6. Step 6: Final answer
    x = 140,325.06

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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.