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Finding the Fourth Proportional to 178,366.83, 267,587.79 and 66,047.97

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Solution

The fourth proportional to 178,366.83, 267,587.79 and 66,047.97 is: 99,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,366.83 : 267,587.79 = 66,047.97 : x
  2. Step 2: Convert to fraction form
    178,366.83/267,587.79 = 66,047.97/x
  3. Step 3: Cross multiply
    178,366.83x = 267,587.79 × 66,047.97
  4. Step 4: Simplify right side
    178,366.83x = 17,673,630,326.29
  5. Step 5: Solve for x
    x = 17,673,630,326.29/178,366.83
  6. Step 6: Final answer
    x = 99,085.86

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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.