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Finding the Fourth Proportional to 225,656.52, 338,152.08 and 125,679

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Solution

The fourth proportional to 225,656.52, 338,152.08 and 125,679 is: 188,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,656.52 : 338,152.08 = 125,679 : x
  2. Step 2: Convert to fraction form
    225,656.52/338,152.08 = 125,679/x
  3. Step 3: Cross multiply
    225,656.52x = 338,152.08 × 125,679
  4. Step 4: Simplify right side
    225,656.52x = 42,498,615,262.32
  5. Step 5: Solve for x
    x = 42,498,615,262.32/225,656.52
  6. Step 6: Final answer
    x = 188,333.20

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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.