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Finding the Fourth Proportional to 170,488.56, 255,723.60 and 52,159.88

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Solution

The fourth proportional to 170,488.56, 255,723.60 and 52,159.88 is: 78,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,488.56 : 255,723.60 = 52,159.88 : x
  2. Step 2: Convert to fraction form
    170,488.56/255,723.60 = 52,159.88/x
  3. Step 3: Cross multiply
    170,488.56x = 255,723.60 × 52,159.88
  4. Step 4: Simplify right side
    170,488.56x = 13,338,512,289.17
  5. Step 5: Solve for x
    x = 13,338,512,289.17/170,488.56
  6. Step 6: Final answer
    x = 78,236.99

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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.