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Finding the Fourth Proportional to 238,356.27, 328,930.47 and 130,925.97

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Solution

The fourth proportional to 238,356.27, 328,930.47 and 130,925.97 is: 180,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,356.27 : 328,930.47 = 130,925.97 : x
  2. Step 2: Convert to fraction form
    238,356.27/328,930.47 = 130,925.97/x
  3. Step 3: Cross multiply
    238,356.27x = 328,930.47 × 130,925.97
  4. Step 4: Simplify right side
    238,356.27x = 43,065,540,847.31
  5. Step 5: Solve for x
    x = 43,065,540,847.31/238,356.27
  6. Step 6: Final answer
    x = 180,677.19

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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.