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Finding the Fourth Proportional to 537,959.20, 806,750.20 and 158,778.76

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Solution

The fourth proportional to 537,959.20, 806,750.20 and 158,778.76 is: 238,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,959.20 : 806,750.20 = 158,778.76 : x
  2. Step 2: Convert to fraction form
    537,959.20/806,750.20 = 158,778.76/x
  3. Step 3: Cross multiply
    537,959.20x = 806,750.20 × 158,778.76
  4. Step 4: Simplify right side
    537,959.20x = 128,094,796,385.75
  5. Step 5: Solve for x
    x = 128,094,796,385.75/537,959.20
  6. Step 6: Final answer
    x = 238,112.47

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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.