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Finding the Fourth Proportional to 70,506.66, 105,712.67 and 27,773.02

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Solution

The fourth proportional to 70,506.66, 105,712.67 and 27,773.02 is: 41,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506.66 : 105,712.67 = 27,773.02 : x
  2. Step 2: Convert to fraction form
    70,506.66/105,712.67 = 27,773.02/x
  3. Step 3: Cross multiply
    70,506.66x = 105,712.67 × 27,773.02
  4. Step 4: Simplify right side
    70,506.66x = 2,935,959,430.73
  5. Step 5: Solve for x
    x = 2,935,959,430.73/70,506.66
  6. Step 6: Final answer
    x = 41,640.88

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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.