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Finding the Fourth Proportional to 124,612.65, 186,918.98 and 110,834.55

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Solution

The fourth proportional to 124,612.65, 186,918.98 and 110,834.55 is: 166,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,612.65 : 186,918.98 = 110,834.55 : x
  2. Step 2: Convert to fraction form
    124,612.65/186,918.98 = 110,834.55/x
  3. Step 3: Cross multiply
    124,612.65x = 186,918.98 × 110,834.55
  4. Step 4: Simplify right side
    124,612.65x = 20,717,080,480.59
  5. Step 5: Solve for x
    x = 20,717,080,480.59/124,612.65
  6. Step 6: Final answer
    x = 166,251.83

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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.