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Finding the Fourth Proportional to 69,967.44, 104,899.32 and 42,258.96

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Solution

The fourth proportional to 69,967.44, 104,899.32 and 42,258.96 is: 63,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.44 : 104,899.32 = 42,258.96 : x
  2. Step 2: Convert to fraction form
    69,967.44/104,899.32 = 42,258.96/x
  3. Step 3: Cross multiply
    69,967.44x = 104,899.32 × 42,258.96
  4. Step 4: Simplify right side
    69,967.44x = 4,432,936,167.91
  5. Step 5: Solve for x
    x = 4,432,936,167.91/69,967.44
  6. Step 6: Final answer
    x = 63,357.13

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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.