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Finding the Fourth Proportional to 110,920.86, 166,390.51 and 36,039.34

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Solution

The fourth proportional to 110,920.86, 166,390.51 and 36,039.34 is: 54,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,920.86 : 166,390.51 = 36,039.34 : x
  2. Step 2: Convert to fraction form
    110,920.86/166,390.51 = 36,039.34/x
  3. Step 3: Cross multiply
    110,920.86x = 166,390.51 × 36,039.34
  4. Step 4: Simplify right side
    110,920.86x = 5,996,604,162.66
  5. Step 5: Solve for x
    x = 5,996,604,162.66/110,920.86
  6. Step 6: Final answer
    x = 54,062.01

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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.