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Finding the Fourth Proportional to 178,460.86, 267,165.35 and 156,317.49

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Solution

The fourth proportional to 178,460.86, 267,165.35 and 156,317.49 is: 234,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,460.86 : 267,165.35 = 156,317.49 : x
  2. Step 2: Convert to fraction form
    178,460.86/267,165.35 = 156,317.49/x
  3. Step 3: Cross multiply
    178,460.86x = 267,165.35 × 156,317.49
  4. Step 4: Simplify right side
    178,460.86x = 41,762,616,926.97
  5. Step 5: Solve for x
    x = 41,762,616,926.97/178,460.86
  6. Step 6: Final answer
    x = 234,015.55

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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.