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Finding the Fourth Proportional to 252,703.65, 379,145.69 and 108,548.92

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Solution

The fourth proportional to 252,703.65, 379,145.69 and 108,548.92 is: 162,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,703.65 : 379,145.69 = 108,548.92 : x
  2. Step 2: Convert to fraction form
    252,703.65/379,145.69 = 108,548.92/x
  3. Step 3: Cross multiply
    252,703.65x = 379,145.69 × 108,548.92
  4. Step 4: Simplify right side
    252,703.65x = 41,155,855,172.15
  5. Step 5: Solve for x
    x = 41,155,855,172.15/252,703.65
  6. Step 6: Final answer
    x = 162,862.13

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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.