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Finding the Fourth Proportional to 178,473.52, 267,353.32 and 107,356.92

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Solution

The fourth proportional to 178,473.52, 267,353.32 and 107,356.92 is: 160,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,473.52 : 267,353.32 = 107,356.92 : x
  2. Step 2: Convert to fraction form
    178,473.52/267,353.32 = 107,356.92/x
  3. Step 3: Cross multiply
    178,473.52x = 267,353.32 × 107,356.92
  4. Step 4: Simplify right side
    178,473.52x = 28,702,228,986.97
  5. Step 5: Solve for x
    x = 28,702,228,986.97/178,473.52
  6. Step 6: Final answer
    x = 160,820.66

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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.