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Finding the Fourth Proportional to 238,279.59, 328,828.14 and 130,851.92

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Solution

The fourth proportional to 238,279.59, 328,828.14 and 130,851.92 is: 180,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,279.59 : 328,828.14 = 130,851.92 : x
  2. Step 2: Convert to fraction form
    238,279.59/328,828.14 = 130,851.92/x
  3. Step 3: Cross multiply
    238,279.59x = 328,828.14 × 130,851.92
  4. Step 4: Simplify right side
    238,279.59x = 43,027,794,291.10
  5. Step 5: Solve for x
    x = 43,027,794,291.10/238,279.59
  6. Step 6: Final answer
    x = 180,576.92

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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.