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Finding the Fourth Proportional to 226,300.80, 339,500.16 and 86,062.08

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Solution

The fourth proportional to 226,300.80, 339,500.16 and 86,062.08 is: 129,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,300.80 : 339,500.16 = 86,062.08 : x
  2. Step 2: Convert to fraction form
    226,300.80/339,500.16 = 86,062.08/x
  3. Step 3: Cross multiply
    226,300.80x = 339,500.16 × 86,062.08
  4. Step 4: Simplify right side
    226,300.80x = 29,218,089,929.93
  5. Step 5: Solve for x
    x = 29,218,089,929.93/226,300.80
  6. Step 6: Final answer
    x = 129,111.74

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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.