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Finding the Fourth Proportional to 71,336.94, 106,928.18 and 46,394.89

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Solution

The fourth proportional to 71,336.94, 106,928.18 and 46,394.89 is: 69,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.94 : 106,928.18 = 46,394.89 : x
  2. Step 2: Convert to fraction form
    71,336.94/106,928.18 = 46,394.89/x
  3. Step 3: Cross multiply
    71,336.94x = 106,928.18 × 46,394.89
  4. Step 4: Simplify right side
    71,336.94x = 4,960,921,149.00
  5. Step 5: Solve for x
    x = 4,960,921,149.00/71,336.94
  6. Step 6: Final answer
    x = 69,542.11

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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.