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Finding the Fourth Proportional to 168,862.32, 233,031.84 and 92,379.78

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Solution

The fourth proportional to 168,862.32, 233,031.84 and 92,379.78 is: 127,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,862.32 : 233,031.84 = 92,379.78 : x
  2. Step 2: Convert to fraction form
    168,862.32/233,031.84 = 92,379.78/x
  3. Step 3: Cross multiply
    168,862.32x = 233,031.84 × 92,379.78
  4. Step 4: Simplify right side
    168,862.32x = 21,527,430,112.20
  5. Step 5: Solve for x
    x = 21,527,430,112.20/168,862.32
  6. Step 6: Final answer
    x = 127,485.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.