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Finding the Fourth Proportional to 66,705.42, 100,058.31 and 27,262.53

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Solution

The fourth proportional to 66,705.42, 100,058.31 and 27,262.53 is: 40,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705.42 : 100,058.31 = 27,262.53 : x
  2. Step 2: Convert to fraction form
    66,705.42/100,058.31 = 27,262.53/x
  3. Step 3: Cross multiply
    66,705.42x = 100,058.31 × 27,262.53
  4. Step 4: Simplify right side
    66,705.42x = 2,727,842,678.12
  5. Step 5: Solve for x
    x = 2,727,842,678.12/66,705.42
  6. Step 6: Final answer
    x = 40,893.87

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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.