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Finding the Fourth Proportional to 252,702.65, 379,144.19 and 108,547.92

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Solution

The fourth proportional to 252,702.65, 379,144.19 and 108,547.92 is: 162,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,702.65 : 379,144.19 = 108,547.92 : x
  2. Step 2: Convert to fraction form
    252,702.65/379,144.19 = 108,547.92/x
  3. Step 3: Cross multiply
    252,702.65x = 379,144.19 × 108,547.92
  4. Step 4: Simplify right side
    252,702.65x = 41,155,313,475.95
  5. Step 5: Solve for x
    x = 41,155,313,475.95/252,702.65
  6. Step 6: Final answer
    x = 162,860.63

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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.