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Finding the Fourth Proportional to 121,804.05, 182,704.07 and 36,415.11

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Solution

The fourth proportional to 121,804.05, 182,704.07 and 36,415.11 is: 54,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,804.05 : 182,704.07 = 36,415.11 : x
  2. Step 2: Convert to fraction form
    121,804.05/182,704.07 = 36,415.11/x
  3. Step 3: Cross multiply
    121,804.05x = 182,704.07 × 36,415.11
  4. Step 4: Simplify right side
    121,804.05x = 6,653,188,041.99
  5. Step 5: Solve for x
    x = 6,653,188,041.99/121,804.05
  6. Step 6: Final answer
    x = 54,622.06

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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.