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Finding the Fourth Proportional to 178,000.04, 267,000.26 and 65,631.57

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Solution

The fourth proportional to 178,000.04, 267,000.26 and 65,631.57 is: 98,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,000.04 : 267,000.26 = 65,631.57 : x
  2. Step 2: Convert to fraction form
    178,000.04/267,000.26 = 65,631.57/x
  3. Step 3: Cross multiply
    178,000.04x = 267,000.26 × 65,631.57
  4. Step 4: Simplify right side
    178,000.04x = 17,523,645,926.05
  5. Step 5: Solve for x
    x = 17,523,645,926.05/178,000.04
  6. Step 6: Final answer
    x = 98,447.43

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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.