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Finding the Fourth Proportional to 177,915.56, 267,178.70 and 157,970.12

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Solution

The fourth proportional to 177,915.56, 267,178.70 and 157,970.12 is: 237,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,915.56 : 267,178.70 = 157,970.12 : x
  2. Step 2: Convert to fraction form
    177,915.56/267,178.70 = 157,970.12/x
  3. Step 3: Cross multiply
    177,915.56x = 267,178.70 × 157,970.12
  4. Step 4: Simplify right side
    177,915.56x = 42,206,251,300.44
  5. Step 5: Solve for x
    x = 42,206,251,300.44/177,915.56
  6. Step 6: Final answer
    x = 237,226.31

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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.