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Finding the Fourth Proportional to 229,873.66, 344,699.43 and 80,110.42

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Solution

The fourth proportional to 229,873.66, 344,699.43 and 80,110.42 is: 120,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,873.66 : 344,699.43 = 80,110.42 : x
  2. Step 2: Convert to fraction form
    229,873.66/344,699.43 = 80,110.42/x
  3. Step 3: Cross multiply
    229,873.66x = 344,699.43 × 80,110.42
  4. Step 4: Simplify right side
    229,873.66x = 27,614,016,111.06
  5. Step 5: Solve for x
    x = 27,614,016,111.06/229,873.66
  6. Step 6: Final answer
    x = 120,126.93

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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.