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Finding the Fourth Proportional to 232,699.50, 349,049.25 and 74,943.90

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Solution

The fourth proportional to 232,699.50, 349,049.25 and 74,943.90 is: 112,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,699.50 : 349,049.25 = 74,943.90 : x
  2. Step 2: Convert to fraction form
    232,699.50/349,049.25 = 74,943.90/x
  3. Step 3: Cross multiply
    232,699.50x = 349,049.25 × 74,943.90
  4. Step 4: Simplify right side
    232,699.50x = 26,159,112,087.08
  5. Step 5: Solve for x
    x = 26,159,112,087.08/232,699.50
  6. Step 6: Final answer
    x = 112,415.85

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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.