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Finding the Fourth Proportional to 106,067.99, 146,405.45 and 69,797.40

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Solution

The fourth proportional to 106,067.99, 146,405.45 and 69,797.40 is: 96,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,067.99 : 146,405.45 = 69,797.40 : x
  2. Step 2: Convert to fraction form
    106,067.99/146,405.45 = 69,797.40/x
  3. Step 3: Cross multiply
    106,067.99x = 146,405.45 × 69,797.40
  4. Step 4: Simplify right side
    106,067.99x = 10,218,719,406.84
  5. Step 5: Solve for x
    x = 10,218,719,406.84/106,067.99
  6. Step 6: Final answer
    x = 96,341.22

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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.