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Finding the Fourth Proportional to 178,371.40, 267,686.70 and 73,265.80

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Solution

The fourth proportional to 178,371.40, 267,686.70 and 73,265.80 is: 109,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,371.40 : 267,686.70 = 73,265.80 : x
  2. Step 2: Convert to fraction form
    178,371.40/267,686.70 = 73,265.80/x
  3. Step 3: Cross multiply
    178,371.40x = 267,686.70 × 73,265.80
  4. Step 4: Simplify right side
    178,371.40x = 19,612,280,224.86
  5. Step 5: Solve for x
    x = 19,612,280,224.86/178,371.40
  6. Step 6: Final answer
    x = 109,951.93

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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.