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Finding the Fourth Proportional to 223,162.52, 307,966.68 and 122,560.52

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Solution

The fourth proportional to 223,162.52, 307,966.68 and 122,560.52 is: 169,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,162.52 : 307,966.68 = 122,560.52 : x
  2. Step 2: Convert to fraction form
    223,162.52/307,966.68 = 122,560.52/x
  3. Step 3: Cross multiply
    223,162.52x = 307,966.68 × 122,560.52
  4. Step 4: Simplify right side
    223,162.52x = 37,744,556,443.47
  5. Step 5: Solve for x
    x = 37,744,556,443.47/223,162.52
  6. Step 6: Final answer
    x = 169,134.84

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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.