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Finding the Fourth Proportional to 178,376, 267,581.28 and 60,077.12

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Solution

The fourth proportional to 178,376, 267,581.28 and 60,077.12 is: 90,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,376 : 267,581.28 = 60,077.12 : x
  2. Step 2: Convert to fraction form
    178,376/267,581.28 = 60,077.12/x
  3. Step 3: Cross multiply
    178,376x = 267,581.28 × 60,077.12
  4. Step 4: Simplify right side
    178,376x = 16,075,512,668.31
  5. Step 5: Solve for x
    x = 16,075,512,668.31/178,376
  6. Step 6: Final answer
    x = 90,121.50

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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.