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Finding the Fourth Proportional to 252,573.88, 378,818.58 and 92,616.76

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Solution

The fourth proportional to 252,573.88, 378,818.58 and 92,616.76 is: 138,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,573.88 : 378,818.58 = 92,616.76 : x
  2. Step 2: Convert to fraction form
    252,573.88/378,818.58 = 92,616.76/x
  3. Step 3: Cross multiply
    252,573.88x = 378,818.58 × 92,616.76
  4. Step 4: Simplify right side
    252,573.88x = 35,084,949,507.40
  5. Step 5: Solve for x
    x = 35,084,949,507.40/252,573.88
  6. Step 6: Final answer
    x = 138,909.65

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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.