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Finding the Fourth Proportional to 236,509.39, 354,766.72 and 78,737.59

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Solution

The fourth proportional to 236,509.39, 354,766.72 and 78,737.59 is: 118,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,509.39 : 354,766.72 = 78,737.59 : x
  2. Step 2: Convert to fraction form
    236,509.39/354,766.72 = 78,737.59/x
  3. Step 3: Cross multiply
    236,509.39x = 354,766.72 × 78,737.59
  4. Step 4: Simplify right side
    236,509.39x = 27,933,476,545.00
  5. Step 5: Solve for x
    x = 27,933,476,545.00/236,509.39
  6. Step 6: Final answer
    x = 118,107.26

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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.