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Finding the Fourth Proportional to 178,197.76, 267,192.96 and 67,398.40

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Solution

The fourth proportional to 178,197.76, 267,192.96 and 67,398.40 is: 101,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,197.76 : 267,192.96 = 67,398.40 : x
  2. Step 2: Convert to fraction form
    178,197.76/267,192.96 = 67,398.40/x
  3. Step 3: Cross multiply
    178,197.76x = 267,192.96 × 67,398.40
  4. Step 4: Simplify right side
    178,197.76x = 18,008,377,995.26
  5. Step 5: Solve for x
    x = 18,008,377,995.26/178,197.76
  6. Step 6: Final answer
    x = 101,058.39

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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.