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Finding the Fourth Proportional to 67,222, 92,768.52 and 37,005.76

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Solution

The fourth proportional to 67,222, 92,768.52 and 37,005.76 is: 51,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,222 : 92,768.52 = 37,005.76 : x
  2. Step 2: Convert to fraction form
    67,222/92,768.52 = 37,005.76/x
  3. Step 3: Cross multiply
    67,222x = 92,768.52 × 37,005.76
  4. Step 4: Simplify right side
    67,222x = 3,432,969,586.68
  5. Step 5: Solve for x
    x = 3,432,969,586.68/67,222
  6. Step 6: Final answer
    x = 51,069.14

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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.