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Finding the Fourth Proportional to 110,859.66, 166,377.78 and 57,567.06

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Solution

The fourth proportional to 110,859.66, 166,377.78 and 57,567.06 is: 86,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.66 : 166,377.78 = 57,567.06 : x
  2. Step 2: Convert to fraction form
    110,859.66/166,377.78 = 57,567.06/x
  3. Step 3: Cross multiply
    110,859.66x = 166,377.78 × 57,567.06
  4. Step 4: Simplify right side
    110,859.66x = 9,577,879,643.93
  5. Step 5: Solve for x
    x = 9,577,879,643.93/110,859.66
  6. Step 6: Final answer
    x = 86,396.44

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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.