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Finding the Fourth Proportional to 110,843.86, 166,332.03 and 40,730.26

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Solution

The fourth proportional to 110,843.86, 166,332.03 and 40,730.26 is: 61,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,843.86 : 166,332.03 = 40,730.26 : x
  2. Step 2: Convert to fraction form
    110,843.86/166,332.03 = 40,730.26/x
  3. Step 3: Cross multiply
    110,843.86x = 166,332.03 × 40,730.26
  4. Step 4: Simplify right side
    110,843.86x = 6,774,746,828.23
  5. Step 5: Solve for x
    x = 6,774,746,828.23/110,843.86
  6. Step 6: Final answer
    x = 61,119.73

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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.