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Finding the Fourth Proportional to 178,385.10, 267,622.14 and 125,897.10

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Solution

The fourth proportional to 178,385.10, 267,622.14 and 125,897.10 is: 188,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,385.10 : 267,622.14 = 125,897.10 : x
  2. Step 2: Convert to fraction form
    178,385.10/267,622.14 = 125,897.10/x
  3. Step 3: Cross multiply
    178,385.10x = 267,622.14 × 125,897.10
  4. Step 4: Simplify right side
    178,385.10x = 33,692,851,321.79
  5. Step 5: Solve for x
    x = 33,692,851,321.79/178,385.10
  6. Step 6: Final answer
    x = 188,877.05

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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.