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Finding the Fourth Proportional to 203,642.04, 305,560.26 and 98,402.52

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Solution

The fourth proportional to 203,642.04, 305,560.26 and 98,402.52 is: 147,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,642.04 : 305,560.26 = 98,402.52 : x
  2. Step 2: Convert to fraction form
    203,642.04/305,560.26 = 98,402.52/x
  3. Step 3: Cross multiply
    203,642.04x = 305,560.26 × 98,402.52
  4. Step 4: Simplify right side
    203,642.04x = 30,067,899,595.86
  5. Step 5: Solve for x
    x = 30,067,899,595.86/203,642.04
  6. Step 6: Final answer
    x = 147,650.75

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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.