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Finding the Fourth Proportional to 119,994.27, 179,600.79 and 88,391.88

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Solution

The fourth proportional to 119,994.27, 179,600.79 and 88,391.88 is: 132,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,994.27 : 179,600.79 = 88,391.88 : x
  2. Step 2: Convert to fraction form
    119,994.27/179,600.79 = 88,391.88/x
  3. Step 3: Cross multiply
    119,994.27x = 179,600.79 × 88,391.88
  4. Step 4: Simplify right side
    119,994.27x = 15,875,251,477.59
  5. Step 5: Solve for x
    x = 15,875,251,477.59/119,994.27
  6. Step 6: Final answer
    x = 132,300.08

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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.