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Finding the Fourth Proportional to 178,557.72, 267,828.90 and 53,895

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Solution

The fourth proportional to 178,557.72, 267,828.90 and 53,895 is: 80,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,557.72 : 267,828.90 = 53,895 : x
  2. Step 2: Convert to fraction form
    178,557.72/267,828.90 = 53,895/x
  3. Step 3: Cross multiply
    178,557.72x = 267,828.90 × 53,895
  4. Step 4: Simplify right side
    178,557.72x = 14,434,638,565.50
  5. Step 5: Solve for x
    x = 14,434,638,565.50/178,557.72
  6. Step 6: Final answer
    x = 80,840.18

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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.