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Finding the Fourth Proportional to 50,161.13, 75,240.95 and 12,210.77

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Solution

The fourth proportional to 50,161.13, 75,240.95 and 12,210.77 is: 18,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,161.13 : 75,240.95 = 12,210.77 : x
  2. Step 2: Convert to fraction form
    50,161.13/75,240.95 = 12,210.77/x
  3. Step 3: Cross multiply
    50,161.13x = 75,240.95 × 12,210.77
  4. Step 4: Simplify right side
    50,161.13x = 918,749,497.77
  5. Step 5: Solve for x
    x = 918,749,497.77/50,161.13
  6. Step 6: Final answer
    x = 18,315.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.