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Finding the Fourth Proportional to 233,990.83, 322,907.37 and 126,560.87

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Solution

The fourth proportional to 233,990.83, 322,907.37 and 126,560.87 is: 174,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,990.83 : 322,907.37 = 126,560.87 : x
  2. Step 2: Convert to fraction form
    233,990.83/322,907.37 = 126,560.87/x
  3. Step 3: Cross multiply
    233,990.83x = 322,907.37 × 126,560.87
  4. Step 4: Simplify right side
    233,990.83x = 40,867,437,676.61
  5. Step 5: Solve for x
    x = 40,867,437,676.61/233,990.83
  6. Step 6: Final answer
    x = 174,654.01

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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.