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Finding the Fourth Proportional to 110,425.50, 152,387.19 and 60,124.50

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Solution

The fourth proportional to 110,425.50, 152,387.19 and 60,124.50 is: 82,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,425.50 : 152,387.19 = 60,124.50 : x
  2. Step 2: Convert to fraction form
    110,425.50/152,387.19 = 60,124.50/x
  3. Step 3: Cross multiply
    110,425.50x = 152,387.19 × 60,124.50
  4. Step 4: Simplify right side
    110,425.50x = 9,162,203,605.16
  5. Step 5: Solve for x
    x = 9,162,203,605.16/110,425.50
  6. Step 6: Final answer
    x = 82,971.81

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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.