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Finding the Fourth Proportional to 178,341.56, 267,434.57 and 67,455.80

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Solution

The fourth proportional to 178,341.56, 267,434.57 and 67,455.80 is: 101,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,341.56 : 267,434.57 = 67,455.80 : x
  2. Step 2: Convert to fraction form
    178,341.56/267,434.57 = 67,455.80/x
  3. Step 3: Cross multiply
    178,341.56x = 267,434.57 × 67,455.80
  4. Step 4: Simplify right side
    178,341.56x = 18,040,011,192.55
  5. Step 5: Solve for x
    x = 18,040,011,192.55/178,341.56
  6. Step 6: Final answer
    x = 101,154.28

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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.