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Finding the Fourth Proportional to 202,680.52, 279,694.65 and 112,033

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Solution

The fourth proportional to 202,680.52, 279,694.65 and 112,033 is: 154,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,680.52 : 279,694.65 = 112,033 : x
  2. Step 2: Convert to fraction form
    202,680.52/279,694.65 = 112,033/x
  3. Step 3: Cross multiply
    202,680.52x = 279,694.65 × 112,033
  4. Step 4: Simplify right side
    202,680.52x = 31,335,030,723.45
  5. Step 5: Solve for x
    x = 31,335,030,723.45/202,680.52
  6. Step 6: Final answer
    x = 154,603.07

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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.