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Finding the Fourth Proportional to 60,110.88, 90,175.20 and 18,548.16

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Solution

The fourth proportional to 60,110.88, 90,175.20 and 18,548.16 is: 27,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,110.88 : 90,175.20 = 18,548.16 : x
  2. Step 2: Convert to fraction form
    60,110.88/90,175.20 = 18,548.16/x
  3. Step 3: Cross multiply
    60,110.88x = 90,175.20 × 18,548.16
  4. Step 4: Simplify right side
    60,110.88x = 1,672,584,037.63
  5. Step 5: Solve for x
    x = 1,672,584,037.63/60,110.88
  6. Step 6: Final answer
    x = 27,824.98

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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.