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Finding the Fourth Proportional to 69,297.58, 95,608.92 and 42,412.06

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Solution

The fourth proportional to 69,297.58, 95,608.92 and 42,412.06 is: 58,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,297.58 : 95,608.92 = 42,412.06 : x
  2. Step 2: Convert to fraction form
    69,297.58/95,608.92 = 42,412.06/x
  3. Step 3: Cross multiply
    69,297.58x = 95,608.92 × 42,412.06
  4. Step 4: Simplify right side
    69,297.58x = 4,054,971,251.58
  5. Step 5: Solve for x
    x = 4,054,971,251.58/69,297.58
  6. Step 6: Final answer
    x = 58,515.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.