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Finding the Fourth Proportional to 178,325.85, 267,411.02 and 67,440.09

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Solution

The fourth proportional to 178,325.85, 267,411.02 and 67,440.09 is: 101,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,325.85 : 267,411.02 = 67,440.09 : x
  2. Step 2: Convert to fraction form
    178,325.85/267,411.02 = 67,440.09/x
  3. Step 3: Cross multiply
    178,325.85x = 267,411.02 × 67,440.09
  4. Step 4: Simplify right side
    178,325.85x = 18,034,224,300.73
  5. Step 5: Solve for x
    x = 18,034,224,300.73/178,325.85
  6. Step 6: Final answer
    x = 101,130.73

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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.