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Finding the Fourth Proportional to 64,357.20, 88,819.20 and 36,067.68

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Solution

The fourth proportional to 64,357.20, 88,819.20 and 36,067.68 is: 49,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.20 : 88,819.20 = 36,067.68 : x
  2. Step 2: Convert to fraction form
    64,357.20/88,819.20 = 36,067.68/x
  3. Step 3: Cross multiply
    64,357.20x = 88,819.20 × 36,067.68
  4. Step 4: Simplify right side
    64,357.20x = 3,203,502,483.46
  5. Step 5: Solve for x
    x = 3,203,502,483.46/64,357.20
  6. Step 6: Final answer
    x = 49,776.91

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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.