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Finding the Fourth Proportional to 192,182.84, 288,275.29 and 126,041.82

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Solution

The fourth proportional to 192,182.84, 288,275.29 and 126,041.82 is: 189,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,182.84 : 288,275.29 = 126,041.82 : x
  2. Step 2: Convert to fraction form
    192,182.84/288,275.29 = 126,041.82/x
  3. Step 3: Cross multiply
    192,182.84x = 288,275.29 × 126,041.82
  4. Step 4: Simplify right side
    192,182.84x = 36,334,741,525.48
  5. Step 5: Solve for x
    x = 36,334,741,525.48/192,182.84
  6. Step 6: Final answer
    x = 189,063.40

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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.