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Finding the Fourth Proportional to 188,007.84, 259,448.40 and 107,434.44

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Solution

The fourth proportional to 188,007.84, 259,448.40 and 107,434.44 is: 148,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,007.84 : 259,448.40 = 107,434.44 : x
  2. Step 2: Convert to fraction form
    188,007.84/259,448.40 = 107,434.44/x
  3. Step 3: Cross multiply
    188,007.84x = 259,448.40 × 107,434.44
  4. Step 4: Simplify right side
    188,007.84x = 27,873,693,562.90
  5. Step 5: Solve for x
    x = 27,873,693,562.90/188,007.84
  6. Step 6: Final answer
    x = 148,258.14

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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.