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Finding the Fourth Proportional to 207,260.20, 286,019.06 and 117,836.20

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Solution

The fourth proportional to 207,260.20, 286,019.06 and 117,836.20 is: 162,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,260.20 : 286,019.06 = 117,836.20 : x
  2. Step 2: Convert to fraction form
    207,260.20/286,019.06 = 117,836.20/x
  3. Step 3: Cross multiply
    207,260.20x = 286,019.06 × 117,836.20
  4. Step 4: Simplify right side
    207,260.20x = 33,703,399,157.97
  5. Step 5: Solve for x
    x = 33,703,399,157.97/207,260.20
  6. Step 6: Final answer
    x = 162,613.95

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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.