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Finding the Fourth Proportional to 88,586.84, 122,150.52 and 72,403.92

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Solution

The fourth proportional to 88,586.84, 122,150.52 and 72,403.92 is: 99,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,586.84 : 122,150.52 = 72,403.92 : x
  2. Step 2: Convert to fraction form
    88,586.84/122,150.52 = 72,403.92/x
  3. Step 3: Cross multiply
    88,586.84x = 122,150.52 × 72,403.92
  4. Step 4: Simplify right side
    88,586.84x = 8,844,176,478.04
  5. Step 5: Solve for x
    x = 8,844,176,478.04/88,586.84
  6. Step 6: Final answer
    x = 99,836.23

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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.