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Finding the Fourth Proportional to 69,102.41, 103,656.56 and 24,128.28

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Solution

The fourth proportional to 69,102.41, 103,656.56 and 24,128.28 is: 36,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102.41 : 103,656.56 = 24,128.28 : x
  2. Step 2: Convert to fraction form
    69,102.41/103,656.56 = 24,128.28/x
  3. Step 3: Cross multiply
    69,102.41x = 103,656.56 × 24,128.28
  4. Step 4: Simplify right side
    69,102.41x = 2,501,054,382.88
  5. Step 5: Solve for x
    x = 2,501,054,382.88/69,102.41
  6. Step 6: Final answer
    x = 36,193.45

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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.