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Finding the Fourth Proportional to 110,505.01, 152,491.65 and 62,751.88

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Solution

The fourth proportional to 110,505.01, 152,491.65 and 62,751.88 is: 86,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,505.01 : 152,491.65 = 62,751.88 : x
  2. Step 2: Convert to fraction form
    110,505.01/152,491.65 = 62,751.88/x
  3. Step 3: Cross multiply
    110,505.01x = 152,491.65 × 62,751.88
  4. Step 4: Simplify right side
    110,505.01x = 9,569,137,721.80
  5. Step 5: Solve for x
    x = 9,569,137,721.80/110,505.01
  6. Step 6: Final answer
    x = 86,594.61

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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.