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Finding the Fourth Proportional to 126,574.84, 189,873.15 and 33,080.50

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Solution

The fourth proportional to 126,574.84, 189,873.15 and 33,080.50 is: 49,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,574.84 : 189,873.15 = 33,080.50 : x
  2. Step 2: Convert to fraction form
    126,574.84/189,873.15 = 33,080.50/x
  3. Step 3: Cross multiply
    126,574.84x = 189,873.15 × 33,080.50
  4. Step 4: Simplify right side
    126,574.84x = 6,281,098,738.58
  5. Step 5: Solve for x
    x = 6,281,098,738.58/126,574.84
  6. Step 6: Final answer
    x = 49,623.60

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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.