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Finding the Fourth Proportional to 225,028.40, 337,488.60 and 130,053.20

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Solution

The fourth proportional to 225,028.40, 337,488.60 and 130,053.20 is: 195,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,028.40 : 337,488.60 = 130,053.20 : x
  2. Step 2: Convert to fraction form
    225,028.40/337,488.60 = 130,053.20/x
  3. Step 3: Cross multiply
    225,028.40x = 337,488.60 × 130,053.20
  4. Step 4: Simplify right side
    225,028.40x = 43,891,472,393.52
  5. Step 5: Solve for x
    x = 43,891,472,393.52/225,028.40
  6. Step 6: Final answer
    x = 195,048.59

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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.