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Finding the Fourth Proportional to 454,377.93, 681,566.81 and 121,953.93

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Solution

The fourth proportional to 454,377.93, 681,566.81 and 121,953.93 is: 182,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,377.93 : 681,566.81 = 121,953.93 : x
  2. Step 2: Convert to fraction form
    454,377.93/681,566.81 = 121,953.93/x
  3. Step 3: Cross multiply
    454,377.93x = 681,566.81 × 121,953.93
  4. Step 4: Simplify right side
    454,377.93x = 83,119,750,427.29
  5. Step 5: Solve for x
    x = 83,119,750,427.29/454,377.93
  6. Step 6: Final answer
    x = 182,930.87

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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.