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Finding the Fourth Proportional to 250,079.66, 375,115.17 and 83,867.66

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Solution

The fourth proportional to 250,079.66, 375,115.17 and 83,867.66 is: 125,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,079.66 : 375,115.17 = 83,867.66 : x
  2. Step 2: Convert to fraction form
    250,079.66/375,115.17 = 83,867.66/x
  3. Step 3: Cross multiply
    250,079.66x = 375,115.17 × 83,867.66
  4. Step 4: Simplify right side
    250,079.66x = 31,460,031,538.40
  5. Step 5: Solve for x
    x = 31,460,031,538.40/250,079.66
  6. Step 6: Final answer
    x = 125,800.04

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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.