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Finding the Fourth Proportional to 110,046.58, 152,641.22 and 107,129.88

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Solution

The fourth proportional to 110,046.58, 152,641.22 and 107,129.88 is: 148,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,046.58 : 152,641.22 = 107,129.88 : x
  2. Step 2: Convert to fraction form
    110,046.58/152,641.22 = 107,129.88/x
  3. Step 3: Cross multiply
    110,046.58x = 152,641.22 × 107,129.88
  4. Step 4: Simplify right side
    110,046.58x = 16,352,435,581.65
  5. Step 5: Solve for x
    x = 16,352,435,581.65/110,046.58
  6. Step 6: Final answer
    x = 148,595.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.