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Finding the Fourth Proportional to 376,116.68, 564,176.94 and 126,800.84

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Solution

The fourth proportional to 376,116.68, 564,176.94 and 126,800.84 is: 190,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,116.68 : 564,176.94 = 126,800.84 : x
  2. Step 2: Convert to fraction form
    376,116.68/564,176.94 = 126,800.84/x
  3. Step 3: Cross multiply
    376,116.68x = 564,176.94 × 126,800.84
  4. Step 4: Simplify right side
    376,116.68x = 71,538,109,900.63
  5. Step 5: Solve for x
    x = 71,538,109,900.63/376,116.68
  6. Step 6: Final answer
    x = 190,201.91

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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.