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Finding the Fourth Proportional to 70,935.17, 106,523.28 and 47,394.00

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Solution

The fourth proportional to 70,935.17, 106,523.28 and 47,394.00 is: 71,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,935.17 : 106,523.28 = 47,394.00 : x
  2. Step 2: Convert to fraction form
    70,935.17/106,523.28 = 47,394.00/x
  3. Step 3: Cross multiply
    70,935.17x = 106,523.28 × 47,394.00
  4. Step 4: Simplify right side
    70,935.17x = 5,048,563,562.73
  5. Step 5: Solve for x
    x = 5,048,563,562.73/70,935.17
  6. Step 6: Final answer
    x = 71,171.52

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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.