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Finding the Fourth Proportional to 91,946.92, 137,808.90 and 41,958.52

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Solution

The fourth proportional to 91,946.92, 137,808.90 and 41,958.52 is: 62,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.92 : 137,808.90 = 41,958.52 : x
  2. Step 2: Convert to fraction form
    91,946.92/137,808.90 = 41,958.52/x
  3. Step 3: Cross multiply
    91,946.92x = 137,808.90 × 41,958.52
  4. Step 4: Simplify right side
    91,946.92x = 5,782,257,486.83
  5. Step 5: Solve for x
    x = 5,782,257,486.83/91,946.92
  6. Step 6: Final answer
    x = 62,886.91

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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.