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Finding the Fourth Proportional to 119,859.59, 179,618.06 and 88,019.91

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Solution

The fourth proportional to 119,859.59, 179,618.06 and 88,019.91 is: 131,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859.59 : 179,618.06 = 88,019.91 : x
  2. Step 2: Convert to fraction form
    119,859.59/179,618.06 = 88,019.91/x
  3. Step 3: Cross multiply
    119,859.59x = 179,618.06 × 88,019.91
  4. Step 4: Simplify right side
    119,859.59x = 15,809,965,035.48
  5. Step 5: Solve for x
    x = 15,809,965,035.48/119,859.59
  6. Step 6: Final answer
    x = 131,904.05

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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.