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Finding the Fourth Proportional to 168,139.80, 252,307.44 and 63,032.04

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Solution

The fourth proportional to 168,139.80, 252,307.44 and 63,032.04 is: 94,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,139.80 : 252,307.44 = 63,032.04 : x
  2. Step 2: Convert to fraction form
    168,139.80/252,307.44 = 63,032.04/x
  3. Step 3: Cross multiply
    168,139.80x = 252,307.44 × 63,032.04
  4. Step 4: Simplify right side
    168,139.80x = 15,903,452,650.38
  5. Step 5: Solve for x
    x = 15,903,452,650.38/168,139.80
  6. Step 6: Final answer
    x = 94,584.70

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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.