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Finding the Fourth Proportional to 178,307.40, 267,072.30 and 158,608.20

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Solution

The fourth proportional to 178,307.40, 267,072.30 and 158,608.20 is: 237,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,307.40 : 267,072.30 = 158,608.20 : x
  2. Step 2: Convert to fraction form
    178,307.40/267,072.30 = 158,608.20/x
  3. Step 3: Cross multiply
    178,307.40x = 267,072.30 × 158,608.20
  4. Step 4: Simplify right side
    178,307.40x = 42,359,856,772.86
  5. Step 5: Solve for x
    x = 42,359,856,772.86/178,307.40
  6. Step 6: Final answer
    x = 237,566.45

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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.