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Finding the Fourth Proportional to 261,250.76, 392,050.56 and 95,038.76

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Solution

The fourth proportional to 261,250.76, 392,050.56 and 95,038.76 is: 142,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,250.76 : 392,050.56 = 95,038.76 : x
  2. Step 2: Convert to fraction form
    261,250.76/392,050.56 = 95,038.76/x
  3. Step 3: Cross multiply
    261,250.76x = 392,050.56 × 95,038.76
  4. Step 4: Simplify right side
    261,250.76x = 37,259,999,079.71
  5. Step 5: Solve for x
    x = 37,259,999,079.71/261,250.76
  6. Step 6: Final answer
    x = 142,621.59

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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.