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Finding the Fourth Proportional to 225,657.14, 337,947.66 and 130,686.66

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Solution

The fourth proportional to 225,657.14, 337,947.66 and 130,686.66 is: 195,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,657.14 : 337,947.66 = 130,686.66 : x
  2. Step 2: Convert to fraction form
    225,657.14/337,947.66 = 130,686.66/x
  3. Step 3: Cross multiply
    225,657.14x = 337,947.66 × 130,686.66
  4. Step 4: Simplify right side
    225,657.14x = 44,165,250,940.22
  5. Step 5: Solve for x
    x = 44,165,250,940.22/225,657.14
  6. Step 6: Final answer
    x = 195,718.39

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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.