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Finding the Fourth Proportional to 175,523.70, 262,517.55 and 156,938.10

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Solution

The fourth proportional to 175,523.70, 262,517.55 and 156,938.10 is: 234,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,523.70 : 262,517.55 = 156,938.10 : x
  2. Step 2: Convert to fraction form
    175,523.70/262,517.55 = 156,938.10/x
  3. Step 3: Cross multiply
    175,523.70x = 262,517.55 × 156,938.10
  4. Step 4: Simplify right side
    175,523.70x = 41,199,005,513.66
  5. Step 5: Solve for x
    x = 41,199,005,513.66/175,523.70
  6. Step 6: Final answer
    x = 234,720.47

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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.