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Finding the Fourth Proportional to 132,875.65, 199,279.41 and 39,359.53

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Solution

The fourth proportional to 132,875.65, 199,279.41 and 39,359.53 is: 59,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,875.65 : 199,279.41 = 39,359.53 : x
  2. Step 2: Convert to fraction form
    132,875.65/199,279.41 = 39,359.53/x
  3. Step 3: Cross multiply
    132,875.65x = 199,279.41 × 39,359.53
  4. Step 4: Simplify right side
    132,875.65x = 7,843,543,916.28
  5. Step 5: Solve for x
    x = 7,843,543,916.28/132,875.65
  6. Step 6: Final answer
    x = 59,029.20

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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.