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Finding the Fourth Proportional to 215,672.83, 297,629.68 and 125,082.50

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Solution

The fourth proportional to 215,672.83, 297,629.68 and 125,082.50 is: 172,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,672.83 : 297,629.68 = 125,082.50 : x
  2. Step 2: Convert to fraction form
    215,672.83/297,629.68 = 125,082.50/x
  3. Step 3: Cross multiply
    215,672.83x = 297,629.68 × 125,082.50
  4. Step 4: Simplify right side
    215,672.83x = 37,228,264,448.60
  5. Step 5: Solve for x
    x = 37,228,264,448.60/215,672.83
  6. Step 6: Final answer
    x = 172,614.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.