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Finding the Fourth Proportional to 291,672.92, 437,511.54 and 104,686.04

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Solution

The fourth proportional to 291,672.92, 437,511.54 and 104,686.04 is: 157,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,672.92 : 437,511.54 = 104,686.04 : x
  2. Step 2: Convert to fraction form
    291,672.92/437,511.54 = 104,686.04/x
  3. Step 3: Cross multiply
    291,672.92x = 437,511.54 × 104,686.04
  4. Step 4: Simplify right side
    291,672.92x = 45,801,350,576.90
  5. Step 5: Solve for x
    x = 45,801,350,576.90/291,672.92
  6. Step 6: Final answer
    x = 157,029.84

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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.