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Finding the Fourth Proportional to 230,943.47, 346,424.82 and 79,244.84

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Solution

The fourth proportional to 230,943.47, 346,424.82 and 79,244.84 is: 118,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,943.47 : 346,424.82 = 79,244.84 : x
  2. Step 2: Convert to fraction form
    230,943.47/346,424.82 = 79,244.84/x
  3. Step 3: Cross multiply
    230,943.47x = 346,424.82 × 79,244.84
  4. Step 4: Simplify right side
    230,943.47x = 27,452,379,432.93
  5. Step 5: Solve for x
    x = 27,452,379,432.93/230,943.47
  6. Step 6: Final answer
    x = 118,870.56

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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.