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Finding the Fourth Proportional to 82,696.68, 114,131.28 and 49,162.68

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Solution

The fourth proportional to 82,696.68, 114,131.28 and 49,162.68 is: 67,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,696.68 : 114,131.28 = 49,162.68 : x
  2. Step 2: Convert to fraction form
    82,696.68/114,131.28 = 49,162.68/x
  3. Step 3: Cross multiply
    82,696.68x = 114,131.28 × 49,162.68
  4. Step 4: Simplify right side
    82,696.68x = 5,610,999,596.63
  5. Step 5: Solve for x
    x = 5,610,999,596.63/82,696.68
  6. Step 6: Final answer
    x = 67,850.36

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1.5x scale

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.