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Finding the Fourth Proportional to 238,105.04, 328,584 and 130,676.84

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Solution

The fourth proportional to 238,105.04, 328,584 and 130,676.84 is: 180,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,105.04 : 328,584 = 130,676.84 : x
  2. Step 2: Convert to fraction form
    238,105.04/328,584 = 130,676.84/x
  3. Step 3: Cross multiply
    238,105.04x = 328,584 × 130,676.84
  4. Step 4: Simplify right side
    238,105.04x = 42,938,318,794.56
  5. Step 5: Solve for x
    x = 42,938,318,794.56/238,105.04
  6. Step 6: Final answer
    x = 180,333.51

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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.