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Finding the Fourth Proportional to 61,476.70, 92,215.05 and 60,601.90

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Solution

The fourth proportional to 61,476.70, 92,215.05 and 60,601.90 is: 90,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,476.70 : 92,215.05 = 60,601.90 : x
  2. Step 2: Convert to fraction form
    61,476.70/92,215.05 = 60,601.90/x
  3. Step 3: Cross multiply
    61,476.70x = 92,215.05 × 60,601.90
  4. Step 4: Simplify right side
    61,476.70x = 5,588,407,238.60
  5. Step 5: Solve for x
    x = 5,588,407,238.60/61,476.70
  6. Step 6: Final answer
    x = 90,902.85

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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.