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Finding the Fourth Proportional to 249,103, 343,917.66 and 159,834.52

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Solution

The fourth proportional to 249,103, 343,917.66 and 159,834.52 is: 220,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,103 : 343,917.66 = 159,834.52 : x
  2. Step 2: Convert to fraction form
    249,103/343,917.66 = 159,834.52/x
  3. Step 3: Cross multiply
    249,103x = 343,917.66 × 159,834.52
  4. Step 4: Simplify right side
    249,103x = 54,969,914,105.62
  5. Step 5: Solve for x
    x = 54,969,914,105.62/249,103
  6. Step 6: Final answer
    x = 220,671.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.