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Finding the Fourth Proportional to 223,110.78, 334,799.14 and 80,967.16

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Solution

The fourth proportional to 223,110.78, 334,799.14 and 80,967.16 is: 121,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,110.78 : 334,799.14 = 80,967.16 : x
  2. Step 2: Convert to fraction form
    223,110.78/334,799.14 = 80,967.16/x
  3. Step 3: Cross multiply
    223,110.78x = 334,799.14 × 80,967.16
  4. Step 4: Simplify right side
    223,110.78x = 27,107,735,536.24
  5. Step 5: Solve for x
    x = 27,107,735,536.24/223,110.78
  6. Step 6: Final answer
    x = 121,498.99

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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.