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Finding the Fourth Proportional to 73,861.70, 101,927.84 and 42,029.91

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Solution

The fourth proportional to 73,861.70, 101,927.84 and 42,029.91 is: 58,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,861.70 : 101,927.84 = 42,029.91 : x
  2. Step 2: Convert to fraction form
    73,861.70/101,927.84 = 42,029.91/x
  3. Step 3: Cross multiply
    73,861.70x = 101,927.84 × 42,029.91
  4. Step 4: Simplify right side
    73,861.70x = 4,284,017,731.54
  5. Step 5: Solve for x
    x = 4,284,017,731.54/73,861.70
  6. Step 6: Final answer
    x = 58,000.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.