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Finding the Fourth Proportional to 261,512.52, 392,327.08 and 95,300.52

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Solution

The fourth proportional to 261,512.52, 392,327.08 and 95,300.52 is: 142,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,512.52 : 392,327.08 = 95,300.52 : x
  2. Step 2: Convert to fraction form
    261,512.52/392,327.08 = 95,300.52/x
  3. Step 3: Cross multiply
    261,512.52x = 392,327.08 × 95,300.52
  4. Step 4: Simplify right side
    261,512.52x = 37,388,974,734.08
  5. Step 5: Solve for x
    x = 37,388,974,734.08/261,512.52
  6. Step 6: Final answer
    x = 142,972.03

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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.