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Finding the Fourth Proportional to 156,782.80, 235,195.80 and 68,033.80

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Solution

The fourth proportional to 156,782.80, 235,195.80 and 68,033.80 is: 102,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.80 : 235,195.80 = 68,033.80 : x
  2. Step 2: Convert to fraction form
    156,782.80/235,195.80 = 68,033.80/x
  3. Step 3: Cross multiply
    156,782.80x = 235,195.80 × 68,033.80
  4. Step 4: Simplify right side
    156,782.80x = 16,001,264,018.04
  5. Step 5: Solve for x
    x = 16,001,264,018.04/156,782.80
  6. Step 6: Final answer
    x = 102,060.07

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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.