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Finding the Fourth Proportional to 61,750.45, 92,371.94 and 49,294.80

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Solution

The fourth proportional to 61,750.45, 92,371.94 and 49,294.80 is: 73,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.45 : 92,371.94 = 49,294.80 : x
  2. Step 2: Convert to fraction form
    61,750.45/92,371.94 = 49,294.80/x
  3. Step 3: Cross multiply
    61,750.45x = 92,371.94 × 49,294.80
  4. Step 4: Simplify right side
    61,750.45x = 4,553,456,307.91
  5. Step 5: Solve for x
    x = 4,553,456,307.91/61,750.45
  6. Step 6: Final answer
    x = 73,739.65

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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.