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Finding the Fourth Proportional to 70,836.93, 97,696.85 and 51,695.19

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Solution

The fourth proportional to 70,836.93, 97,696.85 and 51,695.19 is: 71,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,836.93 : 97,696.85 = 51,695.19 : x
  2. Step 2: Convert to fraction form
    70,836.93/97,696.85 = 51,695.19/x
  3. Step 3: Cross multiply
    70,836.93x = 97,696.85 × 51,695.19
  4. Step 4: Simplify right side
    70,836.93x = 5,050,456,964.68
  5. Step 5: Solve for x
    x = 5,050,456,964.68/70,836.93
  6. Step 6: Final answer
    x = 71,296.95

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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.