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Finding the Fourth Proportional to 240,818.92, 332,333.54 and 138,842.36

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Solution

The fourth proportional to 240,818.92, 332,333.54 and 138,842.36 is: 191,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,818.92 : 332,333.54 = 138,842.36 : x
  2. Step 2: Convert to fraction form
    240,818.92/332,333.54 = 138,842.36/x
  3. Step 3: Cross multiply
    240,818.92x = 332,333.54 × 138,842.36
  4. Step 4: Simplify right side
    240,818.92x = 46,141,973,000.75
  5. Step 5: Solve for x
    x = 46,141,973,000.75/240,818.92
  6. Step 6: Final answer
    x = 191,604.43

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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.