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Finding the Fourth Proportional to 207,717.14, 286,649.22 and 112,223.54

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Solution

The fourth proportional to 207,717.14, 286,649.22 and 112,223.54 is: 154,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,717.14 : 286,649.22 = 112,223.54 : x
  2. Step 2: Convert to fraction form
    207,717.14/286,649.22 = 112,223.54/x
  3. Step 3: Cross multiply
    207,717.14x = 286,649.22 × 112,223.54
  4. Step 4: Simplify right side
    207,717.14x = 32,168,790,206.64
  5. Step 5: Solve for x
    x = 32,168,790,206.64/207,717.14
  6. Step 6: Final answer
    x = 154,868.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.