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Finding the Fourth Proportional to 207,630.70, 286,526.94 and 116,995.95

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Solution

The fourth proportional to 207,630.70, 286,526.94 and 116,995.95 is: 161,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630.70 : 286,526.94 = 116,995.95 : x
  2. Step 2: Convert to fraction form
    207,630.70/286,526.94 = 116,995.95/x
  3. Step 3: Cross multiply
    207,630.70x = 286,526.94 × 116,995.95
  4. Step 4: Simplify right side
    207,630.70x = 33,522,491,107.16
  5. Step 5: Solve for x
    x = 33,522,491,107.16/207,630.70
  6. Step 6: Final answer
    x = 161,452.48

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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.