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Finding the Fourth Proportional to 238,038.80, 356,806.20 and 88,182.80

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Solution

The fourth proportional to 238,038.80, 356,806.20 and 88,182.80 is: 132,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,038.80 : 356,806.20 = 88,182.80 : x
  2. Step 2: Convert to fraction form
    238,038.80/356,806.20 = 88,182.80/x
  3. Step 3: Cross multiply
    238,038.80x = 356,806.20 × 88,182.80
  4. Step 4: Simplify right side
    238,038.80x = 31,464,169,773.36
  5. Step 5: Solve for x
    x = 31,464,169,773.36/238,038.80
  6. Step 6: Final answer
    x = 132,180.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.