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Finding the Fourth Proportional to 173,067.12, 260,015.40 and 110,859.12

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Solution

The fourth proportional to 173,067.12, 260,015.40 and 110,859.12 is: 166,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,067.12 : 260,015.40 = 110,859.12 : x
  2. Step 2: Convert to fraction form
    173,067.12/260,015.40 = 110,859.12/x
  3. Step 3: Cross multiply
    173,067.12x = 260,015.40 × 110,859.12
  4. Step 4: Simplify right side
    173,067.12x = 28,825,078,430.45
  5. Step 5: Solve for x
    x = 28,825,078,430.45/173,067.12
  6. Step 6: Final answer
    x = 166,554.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.