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Finding the Fourth Proportional to 471,672.72, 707,625.72 and 156,161.52

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Solution

The fourth proportional to 471,672.72, 707,625.72 and 156,161.52 is: 234,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,672.72 : 707,625.72 = 156,161.52 : x
  2. Step 2: Convert to fraction form
    471,672.72/707,625.72 = 156,161.52/x
  3. Step 3: Cross multiply
    471,672.72x = 707,625.72 × 156,161.52
  4. Step 4: Simplify right side
    471,672.72x = 110,503,908,026.29
  5. Step 5: Solve for x
    x = 110,503,908,026.29/471,672.72
  6. Step 6: Final answer
    x = 234,280.90

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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.