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Finding the Fourth Proportional to 178,301.88, 267,272.88 and 111,788.76

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Solution

The fourth proportional to 178,301.88, 267,272.88 and 111,788.76 is: 167,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,301.88 : 267,272.88 = 111,788.76 : x
  2. Step 2: Convert to fraction form
    178,301.88/267,272.88 = 111,788.76/x
  3. Step 3: Cross multiply
    178,301.88x = 267,272.88 × 111,788.76
  4. Step 4: Simplify right side
    178,301.88x = 29,878,103,836.83
  5. Step 5: Solve for x
    x = 29,878,103,836.83/178,301.88
  6. Step 6: Final answer
    x = 167,570.32

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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.