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Finding the Fourth Proportional to 178,168.71, 267,219.65 and 89,398.38

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Solution

The fourth proportional to 178,168.71, 267,219.65 and 89,398.38 is: 134,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,168.71 : 267,219.65 = 89,398.38 : x
  2. Step 2: Convert to fraction form
    178,168.71/267,219.65 = 89,398.38/x
  3. Step 3: Cross multiply
    178,168.71x = 267,219.65 × 89,398.38
  4. Step 4: Simplify right side
    178,168.71x = 23,889,004,037.66
  5. Step 5: Solve for x
    x = 23,889,004,037.66/178,168.71
  6. Step 6: Final answer
    x = 134,080.80

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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.