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Finding the Fourth Proportional to 240,724.62, 332,197.65 and 138,712.59

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Solution

The fourth proportional to 240,724.62, 332,197.65 and 138,712.59 is: 191,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,724.62 : 332,197.65 = 138,712.59 : x
  2. Step 2: Convert to fraction form
    240,724.62/332,197.65 = 138,712.59/x
  3. Step 3: Cross multiply
    240,724.62x = 332,197.65 × 138,712.59
  4. Step 4: Simplify right side
    240,724.62x = 46,079,996,423.41
  5. Step 5: Solve for x
    x = 46,079,996,423.41/240,724.62
  6. Step 6: Final answer
    x = 191,422.03

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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.