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Finding the Fourth Proportional to 60,115.56, 90,181.53 and 25,047

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Solution

The fourth proportional to 60,115.56, 90,181.53 and 25,047 is: 37,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,115.56 : 90,181.53 = 25,047 : x
  2. Step 2: Convert to fraction form
    60,115.56/90,181.53 = 25,047/x
  3. Step 3: Cross multiply
    60,115.56x = 90,181.53 × 25,047
  4. Step 4: Simplify right side
    60,115.56x = 2,258,776,781.91
  5. Step 5: Solve for x
    x = 2,258,776,781.91/60,115.56
  6. Step 6: Final answer
    x = 37,573.91

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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.