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Finding the Fourth Proportional to 88,715.58, 133,124.39 and 49,269.39

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Solution

The fourth proportional to 88,715.58, 133,124.39 and 49,269.39 is: 73,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.58 : 133,124.39 = 49,269.39 : x
  2. Step 2: Convert to fraction form
    88,715.58/133,124.39 = 49,269.39/x
  3. Step 3: Cross multiply
    88,715.58x = 133,124.39 × 49,269.39
  4. Step 4: Simplify right side
    88,715.58x = 6,558,957,489.42
  5. Step 5: Solve for x
    x = 6,558,957,489.42/88,715.58
  6. Step 6: Final answer
    x = 73,932.42

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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.