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Finding the Fourth Proportional to 251,052, 346,366.96 and 143,545.56

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Solution

The fourth proportional to 251,052, 346,366.96 and 143,545.56 is: 198,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,052 : 346,366.96 = 143,545.56 : x
  2. Step 2: Convert to fraction form
    251,052/346,366.96 = 143,545.56/x
  3. Step 3: Cross multiply
    251,052x = 346,366.96 × 143,545.56
  4. Step 4: Simplify right side
    251,052x = 49,719,439,238.70
  5. Step 5: Solve for x
    x = 49,719,439,238.70/251,052
  6. Step 6: Final answer
    x = 198,044.39

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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.