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Finding the Fourth Proportional to 240,603.75, 332,120.70 and 140,001.75

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Solution

The fourth proportional to 240,603.75, 332,120.70 and 140,001.75 is: 193,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603.75 : 332,120.70 = 140,001.75 : x
  2. Step 2: Convert to fraction form
    240,603.75/332,120.70 = 140,001.75/x
  3. Step 3: Cross multiply
    240,603.75x = 332,120.70 × 140,001.75
  4. Step 4: Simplify right side
    240,603.75x = 46,497,479,211.23
  5. Step 5: Solve for x
    x = 46,497,479,211.23/240,603.75
  6. Step 6: Final answer
    x = 193,253.34

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1.5x scale

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.