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Finding the Fourth Proportional to 178,052.30, 267,013.65 and 89,276.30

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Solution

The fourth proportional to 178,052.30, 267,013.65 and 89,276.30 is: 133,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,052.30 : 267,013.65 = 89,276.30 : x
  2. Step 2: Convert to fraction form
    178,052.30/267,013.65 = 89,276.30/x
  3. Step 3: Cross multiply
    178,052.30x = 267,013.65 × 89,276.30
  4. Step 4: Simplify right side
    178,052.30x = 23,837,990,721.50
  5. Step 5: Solve for x
    x = 23,837,990,721.50/178,052.30
  6. Step 6: Final answer
    x = 133,881.96

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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.