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Finding the Fourth Proportional to 71,049.96, 98,052.12 and 40,845.06

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Solution

The fourth proportional to 71,049.96, 98,052.12 and 40,845.06 is: 56,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,049.96 : 98,052.12 = 40,845.06 : x
  2. Step 2: Convert to fraction form
    71,049.96/98,052.12 = 40,845.06/x
  3. Step 3: Cross multiply
    71,049.96x = 98,052.12 × 40,845.06
  4. Step 4: Simplify right side
    71,049.96x = 4,004,944,724.53
  5. Step 5: Solve for x
    x = 4,004,944,724.53/71,049.96
  6. Step 6: Final answer
    x = 56,368.01

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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.