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Finding the Fourth Proportional to 60,215.68, 90,336.06 and 18,094.06

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Solution

The fourth proportional to 60,215.68, 90,336.06 and 18,094.06 is: 27,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215.68 : 90,336.06 = 18,094.06 : x
  2. Step 2: Convert to fraction form
    60,215.68/90,336.06 = 18,094.06/x
  3. Step 3: Cross multiply
    60,215.68x = 90,336.06 × 18,094.06
  4. Step 4: Simplify right side
    60,215.68x = 1,634,546,089.80
  5. Step 5: Solve for x
    x = 1,634,546,089.80/60,215.68
  6. Step 6: Final answer
    x = 27,144.86

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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.