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Finding the Fourth Proportional to 240,675.02, 332,218.78 and 140,073.02

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Solution

The fourth proportional to 240,675.02, 332,218.78 and 140,073.02 is: 193,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,675.02 : 332,218.78 = 140,073.02 : x
  2. Step 2: Convert to fraction form
    240,675.02/332,218.78 = 140,073.02/x
  3. Step 3: Cross multiply
    240,675.02x = 332,218.78 × 140,073.02
  4. Step 4: Simplify right side
    240,675.02x = 46,534,887,815.32
  5. Step 5: Solve for x
    x = 46,534,887,815.32/240,675.02
  6. Step 6: Final answer
    x = 193,351.55

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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.