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Finding the Fourth Proportional to 178,959.71, 267,855.44 and 131,562.24

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Solution

The fourth proportional to 178,959.71, 267,855.44 and 131,562.24 is: 196,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,959.71 : 267,855.44 = 131,562.24 : x
  2. Step 2: Convert to fraction form
    178,959.71/267,855.44 = 131,562.24/x
  3. Step 3: Cross multiply
    178,959.71x = 267,855.44 × 131,562.24
  4. Step 4: Simplify right side
    178,959.71x = 35,239,661,024.77
  5. Step 5: Solve for x
    x = 35,239,661,024.77/178,959.71
  6. Step 6: Final answer
    x = 196,913.94

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1.5x scale

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.