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Finding the Fourth Proportional to 125,259.43, 187,874.34 and 35,308.89

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Solution

The fourth proportional to 125,259.43, 187,874.34 and 35,308.89 is: 52,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,259.43 : 187,874.34 = 35,308.89 : x
  2. Step 2: Convert to fraction form
    125,259.43/187,874.34 = 35,308.89/x
  3. Step 3: Cross multiply
    125,259.43x = 187,874.34 × 35,308.89
  4. Step 4: Simplify right side
    125,259.43x = 6,633,634,404.88
  5. Step 5: Solve for x
    x = 6,633,634,404.88/125,259.43
  6. Step 6: Final answer
    x = 52,959.16

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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.