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Finding the Fourth Proportional to 178,453.80, 267,680.70 and 136,463.40

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Solution

The fourth proportional to 178,453.80, 267,680.70 and 136,463.40 is: 204,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,453.80 : 267,680.70 = 136,463.40 : x
  2. Step 2: Convert to fraction form
    178,453.80/267,680.70 = 136,463.40/x
  3. Step 3: Cross multiply
    178,453.80x = 267,680.70 × 136,463.40
  4. Step 4: Simplify right side
    178,453.80x = 36,528,618,436.38
  5. Step 5: Solve for x
    x = 36,528,618,436.38/178,453.80
  6. Step 6: Final answer
    x = 204,695.10

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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.