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Finding the Fourth Proportional to 207,626.30, 286,524.30 and 112,133.02

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Solution

The fourth proportional to 207,626.30, 286,524.30 and 112,133.02 is: 154,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,626.30 : 286,524.30 = 112,133.02 : x
  2. Step 2: Convert to fraction form
    207,626.30/286,524.30 = 112,133.02/x
  3. Step 3: Cross multiply
    207,626.30x = 286,524.30 × 112,133.02
  4. Step 4: Simplify right side
    207,626.30x = 32,128,835,062.39
  5. Step 5: Solve for x
    x = 32,128,835,062.39/207,626.30
  6. Step 6: Final answer
    x = 154,743.57

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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.