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Finding the Fourth Proportional to 60,246.89, 90,275.28 and 22,243.90

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Solution

The fourth proportional to 60,246.89, 90,275.28 and 22,243.90 is: 33,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,246.89 : 90,275.28 = 22,243.90 : x
  2. Step 2: Convert to fraction form
    60,246.89/90,275.28 = 22,243.90/x
  3. Step 3: Cross multiply
    60,246.89x = 90,275.28 × 22,243.90
  4. Step 4: Simplify right side
    60,246.89x = 2,008,074,300.79
  5. Step 5: Solve for x
    x = 2,008,074,300.79/60,246.89
  6. Step 6: Final answer
    x = 33,330.75

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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.