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Finding the Fourth Proportional to 178,423.30, 267,621.04 and 66,050.65

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Solution

The fourth proportional to 178,423.30, 267,621.04 and 66,050.65 is: 99,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,423.30 : 267,621.04 = 66,050.65 : x
  2. Step 2: Convert to fraction form
    178,423.30/267,621.04 = 66,050.65/x
  3. Step 3: Cross multiply
    178,423.30x = 267,621.04 × 66,050.65
  4. Step 4: Simplify right side
    178,423.30x = 17,676,543,645.68
  5. Step 5: Solve for x
    x = 17,676,543,645.68/178,423.30
  6. Step 6: Final answer
    x = 99,070.83

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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.