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Finding the Fourth Proportional to 88,339.92, 121,940.73 and 52,529.82

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Solution

The fourth proportional to 88,339.92, 121,940.73 and 52,529.82 is: 72,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,339.92 : 121,940.73 = 52,529.82 : x
  2. Step 2: Convert to fraction form
    88,339.92/121,940.73 = 52,529.82/x
  3. Step 3: Cross multiply
    88,339.92x = 121,940.73 × 52,529.82
  4. Step 4: Simplify right side
    88,339.92x = 6,405,524,597.57
  5. Step 5: Solve for x
    x = 6,405,524,597.57/88,339.92
  6. Step 6: Final answer
    x = 72,509.97

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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.