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Finding the Fourth Proportional to 60,231.68, 90,303.68 and 25,181.28

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Solution

The fourth proportional to 60,231.68, 90,303.68 and 25,181.28 is: 37,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,231.68 : 90,303.68 = 25,181.28 : x
  2. Step 2: Convert to fraction form
    60,231.68/90,303.68 = 25,181.28/x
  3. Step 3: Cross multiply
    60,231.68x = 90,303.68 × 25,181.28
  4. Step 4: Simplify right side
    60,231.68x = 2,273,962,251.11
  5. Step 5: Solve for x
    x = 2,273,962,251.11/60,231.68
  6. Step 6: Final answer
    x = 37,753.59

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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.