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Finding the Fourth Proportional to 341,987.13, 512,891.33 and 102,044.61

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Solution

The fourth proportional to 341,987.13, 512,891.33 and 102,044.61 is: 153,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,987.13 : 512,891.33 = 102,044.61 : x
  2. Step 2: Convert to fraction form
    341,987.13/512,891.33 = 102,044.61/x
  3. Step 3: Cross multiply
    341,987.13x = 512,891.33 × 102,044.61
  4. Step 4: Simplify right side
    341,987.13x = 52,337,795,232.01
  5. Step 5: Solve for x
    x = 52,337,795,232.01/341,987.13
  6. Step 6: Final answer
    x = 153,040.25

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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.