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Finding the Fourth Proportional to 59,179.11, 88,783.02 and 19,739.31

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Solution

The fourth proportional to 59,179.11, 88,783.02 and 19,739.31 is: 29,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,179.11 : 88,783.02 = 19,739.31 : x
  2. Step 2: Convert to fraction form
    59,179.11/88,783.02 = 19,739.31/x
  3. Step 3: Cross multiply
    59,179.11x = 88,783.02 × 19,739.31
  4. Step 4: Simplify right side
    59,179.11x = 1,752,515,554.52
  5. Step 5: Solve for x
    x = 1,752,515,554.52/59,179.11
  6. Step 6: Final answer
    x = 29,613.75

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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.