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Finding the Fourth Proportional to 72,277.77, 108,397.50 and 32,826.11

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Solution

The fourth proportional to 72,277.77, 108,397.50 and 32,826.11 is: 49,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277.77 : 108,397.50 = 32,826.11 : x
  2. Step 2: Convert to fraction form
    72,277.77/108,397.50 = 32,826.11/x
  3. Step 3: Cross multiply
    72,277.77x = 108,397.50 × 32,826.11
  4. Step 4: Simplify right side
    72,277.77x = 3,558,267,716.74
  5. Step 5: Solve for x
    x = 3,558,267,716.74/72,277.77
  6. Step 6: Final answer
    x = 49,230.46

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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.