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Finding the Fourth Proportional to 61,107.50, 91,525.77 and 46,963.38

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Solution

The fourth proportional to 61,107.50, 91,525.77 and 46,963.38 is: 70,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.50 : 91,525.77 = 46,963.38 : x
  2. Step 2: Convert to fraction form
    61,107.50/91,525.77 = 46,963.38/x
  3. Step 3: Cross multiply
    61,107.50x = 91,525.77 × 46,963.38
  4. Step 4: Simplify right side
    61,107.50x = 4,298,359,516.30
  5. Step 5: Solve for x
    x = 4,298,359,516.30/61,107.50
  6. Step 6: Final answer
    x = 70,340.95

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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.