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Finding the Fourth Proportional to 245,527.52, 338,713.56 and 159,480.41

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Solution

The fourth proportional to 245,527.52, 338,713.56 and 159,480.41 is: 220,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,527.52 : 338,713.56 = 159,480.41 : x
  2. Step 2: Convert to fraction form
    245,527.52/338,713.56 = 159,480.41/x
  3. Step 3: Cross multiply
    245,527.52x = 338,713.56 × 159,480.41
  4. Step 4: Simplify right side
    245,527.52x = 54,018,175,727.79
  5. Step 5: Solve for x
    x = 54,018,175,727.79/245,527.52
  6. Step 6: Final answer
    x = 220,008.64

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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.