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Finding the Fourth Proportional to 110,511.66, 165,816.48 and 57,908.64

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Solution

The fourth proportional to 110,511.66, 165,816.48 and 57,908.64 is: 86,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.66 : 165,816.48 = 57,908.64 : x
  2. Step 2: Convert to fraction form
    110,511.66/165,816.48 = 57,908.64/x
  3. Step 3: Cross multiply
    110,511.66x = 165,816.48 × 57,908.64
  4. Step 4: Simplify right side
    110,511.66x = 9,602,206,846.39
  5. Step 5: Solve for x
    x = 9,602,206,846.39/110,511.66
  6. Step 6: Final answer
    x = 86,888.63

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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.