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Finding the Fourth Proportional to 178,555.72, 267,825.90 and 53,893

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Solution

The fourth proportional to 178,555.72, 267,825.90 and 53,893 is: 80,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,555.72 : 267,825.90 = 53,893 : x
  2. Step 2: Convert to fraction form
    178,555.72/267,825.90 = 53,893/x
  3. Step 3: Cross multiply
    178,555.72x = 267,825.90 × 53,893
  4. Step 4: Simplify right side
    178,555.72x = 14,433,941,228.70
  5. Step 5: Solve for x
    x = 14,433,941,228.70/178,555.72
  6. Step 6: Final answer
    x = 80,837.18

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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.