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Finding the Fourth Proportional to 230,092.40, 344,933.40 and 89,818.40

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Solution

The fourth proportional to 230,092.40, 344,933.40 and 89,818.40 is: 134,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,092.40 : 344,933.40 = 89,818.40 : x
  2. Step 2: Convert to fraction form
    230,092.40/344,933.40 = 89,818.40/x
  3. Step 3: Cross multiply
    230,092.40x = 344,933.40 × 89,818.40
  4. Step 4: Simplify right side
    230,092.40x = 30,981,366,094.56
  5. Step 5: Solve for x
    x = 30,981,366,094.56/230,092.40
  6. Step 6: Final answer
    x = 134,647.50

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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.