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Finding the Fourth Proportional to 261,519.52, 392,337.56 and 95,307.52

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Solution

The fourth proportional to 261,519.52, 392,337.56 and 95,307.52 is: 142,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,519.52 : 392,337.56 = 95,307.52 : x
  2. Step 2: Convert to fraction form
    261,519.52/392,337.56 = 95,307.52/x
  3. Step 3: Cross multiply
    261,519.52x = 392,337.56 × 95,307.52
  4. Step 4: Simplify right side
    261,519.52x = 37,392,719,846.45
  5. Step 5: Solve for x
    x = 37,392,719,846.45/261,519.52
  6. Step 6: Final answer
    x = 142,982.52

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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.