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Finding the Fourth Proportional to 238,248.66, 328,789.41 and 130,825.62

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Solution

The fourth proportional to 238,248.66, 328,789.41 and 130,825.62 is: 180,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,248.66 : 328,789.41 = 130,825.62 : x
  2. Step 2: Convert to fraction form
    238,248.66/328,789.41 = 130,825.62/x
  3. Step 3: Cross multiply
    238,248.66x = 328,789.41 × 130,825.62
  4. Step 4: Simplify right side
    238,248.66x = 43,014,078,412.68
  5. Step 5: Solve for x
    x = 43,014,078,412.68/238,248.66
  6. Step 6: Final answer
    x = 180,542.79

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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.