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Finding the Fourth Proportional to 88,688.95, 132,917.90 and 36,036.88

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Solution

The fourth proportional to 88,688.95, 132,917.90 and 36,036.88 is: 54,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.95 : 132,917.90 = 36,036.88 : x
  2. Step 2: Convert to fraction form
    88,688.95/132,917.90 = 36,036.88/x
  3. Step 3: Cross multiply
    88,688.95x = 132,917.90 × 36,036.88
  4. Step 4: Simplify right side
    88,688.95x = 4,789,945,747.56
  5. Step 5: Solve for x
    x = 4,789,945,747.56/88,688.95
  6. Step 6: Final answer
    x = 54,008.37

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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.