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Finding the Fourth Proportional to 126,953.60, 175,251.77 and 88,862.74

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Solution

The fourth proportional to 126,953.60, 175,251.77 and 88,862.74 is: 122,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,953.60 : 175,251.77 = 88,862.74 : x
  2. Step 2: Convert to fraction form
    126,953.60/175,251.77 = 88,862.74/x
  3. Step 3: Cross multiply
    126,953.60x = 175,251.77 × 88,862.74
  4. Step 4: Simplify right side
    126,953.60x = 15,573,351,922.84
  5. Step 5: Solve for x
    x = 15,573,351,922.84/126,953.60
  6. Step 6: Final answer
    x = 122,669.64

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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.