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Finding the Fourth Proportional to 299,092.46, 448,723.42 and 121,726.76

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Solution

The fourth proportional to 299,092.46, 448,723.42 and 121,726.76 is: 182,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,092.46 : 448,723.42 = 121,726.76 : x
  2. Step 2: Convert to fraction form
    299,092.46/448,723.42 = 121,726.76/x
  3. Step 3: Cross multiply
    299,092.46x = 448,723.42 × 121,726.76
  4. Step 4: Simplify right side
    299,092.46x = 54,621,645,504.79
  5. Step 5: Solve for x
    x = 54,621,645,504.79/299,092.46
  6. Step 6: Final answer
    x = 182,624.62

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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.