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Finding the Fourth Proportional to 92,570.68, 138,856.02 and 22,449.88

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Solution

The fourth proportional to 92,570.68, 138,856.02 and 22,449.88 is: 33,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.68 : 138,856.02 = 22,449.88 : x
  2. Step 2: Convert to fraction form
    92,570.68/138,856.02 = 22,449.88/x
  3. Step 3: Cross multiply
    92,570.68x = 138,856.02 × 22,449.88
  4. Step 4: Simplify right side
    92,570.68x = 3,117,300,986.28
  5. Step 5: Solve for x
    x = 3,117,300,986.28/92,570.68
  6. Step 6: Final answer
    x = 33,674.82

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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.