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Finding the Fourth Proportional to 238,411.52, 329,006.52 and 130,979.24

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Solution

The fourth proportional to 238,411.52, 329,006.52 and 130,979.24 is: 180,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,411.52 : 329,006.52 = 130,979.24 : x
  2. Step 2: Convert to fraction form
    238,411.52/329,006.52 = 130,979.24/x
  3. Step 3: Cross multiply
    238,411.52x = 329,006.52 × 130,979.24
  4. Step 4: Simplify right side
    238,411.52x = 43,093,023,944.64
  5. Step 5: Solve for x
    x = 43,093,023,944.64/238,411.52
  6. Step 6: Final answer
    x = 180,750.59

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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.