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Finding the Fourth Proportional to 349,781.22, 524,543.13 and 125,080.74

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Solution

The fourth proportional to 349,781.22, 524,543.13 and 125,080.74 is: 187,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,781.22 : 524,543.13 = 125,080.74 : x
  2. Step 2: Convert to fraction form
    349,781.22/524,543.13 = 125,080.74/x
  3. Step 3: Cross multiply
    349,781.22x = 524,543.13 × 125,080.74
  4. Step 4: Simplify right side
    349,781.22x = 65,610,242,862.32
  5. Step 5: Solve for x
    x = 65,610,242,862.32/349,781.22
  6. Step 6: Final answer
    x = 187,575.09

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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.