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Finding the Fourth Proportional to 178,385.32, 267,622.60 and 125,897.32

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Solution

The fourth proportional to 178,385.32, 267,622.60 and 125,897.32 is: 188,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,385.32 : 267,622.60 = 125,897.32 : x
  2. Step 2: Convert to fraction form
    178,385.32/267,622.60 = 125,897.32/x
  3. Step 3: Cross multiply
    178,385.32x = 267,622.60 × 125,897.32
  4. Step 4: Simplify right side
    178,385.32x = 33,692,968,111.43
  5. Step 5: Solve for x
    x = 33,692,968,111.43/178,385.32
  6. Step 6: Final answer
    x = 188,877.47

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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.