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Finding the Fourth Proportional to 261,248.76, 392,047.56 and 95,036.76

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Solution

The fourth proportional to 261,248.76, 392,047.56 and 95,036.76 is: 142,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,248.76 : 392,047.56 = 95,036.76 : x
  2. Step 2: Convert to fraction form
    261,248.76/392,047.56 = 95,036.76/x
  3. Step 3: Cross multiply
    261,248.76x = 392,047.56 × 95,036.76
  4. Step 4: Simplify right side
    261,248.76x = 37,258,929,868.31
  5. Step 5: Solve for x
    x = 37,258,929,868.31/261,248.76
  6. Step 6: Final answer
    x = 142,618.59

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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.