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Finding the Fourth Proportional to 178,017.62, 267,025.75 and 72,836.55

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Solution

The fourth proportional to 178,017.62, 267,025.75 and 72,836.55 is: 109,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,017.62 : 267,025.75 = 72,836.55 : x
  2. Step 2: Convert to fraction form
    178,017.62/267,025.75 = 72,836.55/x
  3. Step 3: Cross multiply
    178,017.62x = 267,025.75 × 72,836.55
  4. Step 4: Simplify right side
    178,017.62x = 19,449,234,209.07
  5. Step 5: Solve for x
    x = 19,449,234,209.07/178,017.62
  6. Step 6: Final answer
    x = 109,254.55

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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.