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Finding the Fourth Proportional to 240,867.60, 332,337.24 and 138,924.24

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Solution

The fourth proportional to 240,867.60, 332,337.24 and 138,924.24 is: 191,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,867.60 : 332,337.24 = 138,924.24 : x
  2. Step 2: Convert to fraction form
    240,867.60/332,337.24 = 138,924.24/x
  3. Step 3: Cross multiply
    240,867.60x = 332,337.24 × 138,924.24
  4. Step 4: Simplify right side
    240,867.60x = 46,169,698,490.70
  5. Step 5: Solve for x
    x = 46,169,698,490.70/240,867.60
  6. Step 6: Final answer
    x = 191,680.82

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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.