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Finding the Fourth Proportional to 291,092.73, 435,826.26 and 157,493.76

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Solution

The fourth proportional to 291,092.73, 435,826.26 and 157,493.76 is: 235,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,092.73 : 435,826.26 = 157,493.76 : x
  2. Step 2: Convert to fraction form
    291,092.73/435,826.26 = 157,493.76/x
  3. Step 3: Cross multiply
    291,092.73x = 435,826.26 × 157,493.76
  4. Step 4: Simplify right side
    291,092.73x = 68,639,916,394.14
  5. Step 5: Solve for x
    x = 68,639,916,394.14/291,092.73
  6. Step 6: Final answer
    x = 235,800.86

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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.