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Finding the Fourth Proportional to 225,764.76, 338,646.47 and 57,284.76

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Solution

The fourth proportional to 225,764.76, 338,646.47 and 57,284.76 is: 85,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,764.76 : 338,646.47 = 57,284.76 : x
  2. Step 2: Convert to fraction form
    225,764.76/338,646.47 = 57,284.76/x
  3. Step 3: Cross multiply
    225,764.76x = 338,646.47 × 57,284.76
  4. Step 4: Simplify right side
    225,764.76x = 19,399,281,758.80
  5. Step 5: Solve for x
    x = 19,399,281,758.80/225,764.76
  6. Step 6: Final answer
    x = 85,926.97

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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.