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Finding the Fourth Proportional to 230,663.88, 346,046.61 and 70,761.84

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Solution

The fourth proportional to 230,663.88, 346,046.61 and 70,761.84 is: 106,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,663.88 : 346,046.61 = 70,761.84 : x
  2. Step 2: Convert to fraction form
    230,663.88/346,046.61 = 70,761.84/x
  3. Step 3: Cross multiply
    230,663.88x = 346,046.61 × 70,761.84
  4. Step 4: Simplify right side
    230,663.88x = 24,486,894,849.36
  5. Step 5: Solve for x
    x = 24,486,894,849.36/230,663.88
  6. Step 6: Final answer
    x = 106,158.34

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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.