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Finding the Fourth Proportional to 92,574.48, 138,861.84 and 22,453.92

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Solution

The fourth proportional to 92,574.48, 138,861.84 and 22,453.92 is: 33,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,574.48 : 138,861.84 = 22,453.92 : x
  2. Step 2: Convert to fraction form
    92,574.48/138,861.84 = 22,453.92/x
  3. Step 3: Cross multiply
    92,574.48x = 138,861.84 × 22,453.92
  4. Step 4: Simplify right side
    92,574.48x = 3,117,992,646.41
  5. Step 5: Solve for x
    x = 3,117,992,646.41/92,574.48
  6. Step 6: Final answer
    x = 33,680.91

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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.