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Finding the Fourth Proportional to 110,893.61, 153,033.15 and 60,592.61

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Solution

The fourth proportional to 110,893.61, 153,033.15 and 60,592.61 is: 83,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,893.61 : 153,033.15 = 60,592.61 : x
  2. Step 2: Convert to fraction form
    110,893.61/153,033.15 = 60,592.61/x
  3. Step 3: Cross multiply
    110,893.61x = 153,033.15 × 60,592.61
  4. Step 4: Simplify right side
    110,893.61x = 9,272,677,209.86
  5. Step 5: Solve for x
    x = 9,272,677,209.86/110,893.61
  6. Step 6: Final answer
    x = 83,617.78

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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.