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Finding the Fourth Proportional to 83,473.53, 115,233.36 and 47,656.62

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Solution

The fourth proportional to 83,473.53, 115,233.36 and 47,656.62 is: 65,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.53 : 115,233.36 = 47,656.62 : x
  2. Step 2: Convert to fraction form
    83,473.53/115,233.36 = 47,656.62/x
  3. Step 3: Cross multiply
    83,473.53x = 115,233.36 × 47,656.62
  4. Step 4: Simplify right side
    83,473.53x = 5,491,632,448.84
  5. Step 5: Solve for x
    x = 5,491,632,448.84/83,473.53
  6. Step 6: Final answer
    x = 65,788.91

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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.