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Finding the Fourth Proportional to 88,376.58, 121,963.95 and 50,650.92

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Solution

The fourth proportional to 88,376.58, 121,963.95 and 50,650.92 is: 69,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.58 : 121,963.95 = 50,650.92 : x
  2. Step 2: Convert to fraction form
    88,376.58/121,963.95 = 50,650.92/x
  3. Step 3: Cross multiply
    88,376.58x = 121,963.95 × 50,650.92
  4. Step 4: Simplify right side
    88,376.58x = 6,177,586,274.33
  5. Step 5: Solve for x
    x = 6,177,586,274.33/88,376.58
  6. Step 6: Final answer
    x = 69,900.72

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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.