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Finding the Fourth Proportional to 236,760.60, 355,124.70 and 76,834.20

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Solution

The fourth proportional to 236,760.60, 355,124.70 and 76,834.20 is: 115,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,760.60 : 355,124.70 = 76,834.20 : x
  2. Step 2: Convert to fraction form
    236,760.60/355,124.70 = 76,834.20/x
  3. Step 3: Cross multiply
    236,760.60x = 355,124.70 × 76,834.20
  4. Step 4: Simplify right side
    236,760.60x = 27,285,722,224.74
  5. Step 5: Solve for x
    x = 27,285,722,224.74/236,760.60
  6. Step 6: Final answer
    x = 115,246.04

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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.