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Finding the Fourth Proportional to 238,881.92, 329,658.60 and 131,448.92

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Solution

The fourth proportional to 238,881.92, 329,658.60 and 131,448.92 is: 181,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,881.92 : 329,658.60 = 131,448.92 : x
  2. Step 2: Convert to fraction form
    238,881.92/329,658.60 = 131,448.92/x
  3. Step 3: Cross multiply
    238,881.92x = 329,658.60 × 131,448.92
  4. Step 4: Simplify right side
    238,881.92x = 43,333,266,938.71
  5. Step 5: Solve for x
    x = 43,333,266,938.71/238,881.92
  6. Step 6: Final answer
    x = 181,400.36

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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.