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Finding the Fourth Proportional to 282,581.51, 424,017.72 and 156,198.29

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Solution

The fourth proportional to 282,581.51, 424,017.72 and 156,198.29 is: 234,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,581.51 : 424,017.72 = 156,198.29 : x
  2. Step 2: Convert to fraction form
    282,581.51/424,017.72 = 156,198.29/x
  3. Step 3: Cross multiply
    282,581.51x = 424,017.72 × 156,198.29
  4. Step 4: Simplify right side
    282,581.51x = 66,230,840,673.61
  5. Step 5: Solve for x
    x = 66,230,840,673.61/282,581.51
  6. Step 6: Final answer
    x = 234,377.83

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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.