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Finding the Fourth Proportional to 88,308.56, 132,464.40 and 38,388.68

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Solution

The fourth proportional to 88,308.56, 132,464.40 and 38,388.68 is: 57,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.56 : 132,464.40 = 38,388.68 : x
  2. Step 2: Convert to fraction form
    88,308.56/132,464.40 = 38,388.68/x
  3. Step 3: Cross multiply
    88,308.56x = 132,464.40 × 38,388.68
  4. Step 4: Simplify right side
    88,308.56x = 5,085,133,462.99
  5. Step 5: Solve for x
    x = 5,085,133,462.99/88,308.56
  6. Step 6: Final answer
    x = 57,583.70

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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.