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Finding the Fourth Proportional to 120,693.89, 181,041.00 and 41,808.12

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Solution

The fourth proportional to 120,693.89, 181,041.00 and 41,808.12 is: 62,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,693.89 : 181,041.00 = 41,808.12 : x
  2. Step 2: Convert to fraction form
    120,693.89/181,041.00 = 41,808.12/x
  3. Step 3: Cross multiply
    120,693.89x = 181,041.00 × 41,808.12
  4. Step 4: Simplify right side
    120,693.89x = 7,568,983,017.24
  5. Step 5: Solve for x
    x = 7,568,983,017.24/120,693.89
  6. Step 6: Final answer
    x = 62,712.23

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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.