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Finding the Fourth Proportional to 60,254.64, 90,352.80 and 20,797.92

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Solution

The fourth proportional to 60,254.64, 90,352.80 and 20,797.92 is: 31,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,254.64 : 90,352.80 = 20,797.92 : x
  2. Step 2: Convert to fraction form
    60,254.64/90,352.80 = 20,797.92/x
  3. Step 3: Cross multiply
    60,254.64x = 90,352.80 × 20,797.92
  4. Step 4: Simplify right side
    60,254.64x = 1,879,150,306.18
  5. Step 5: Solve for x
    x = 1,879,150,306.18/60,254.64
  6. Step 6: Final answer
    x = 31,186.81

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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.