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Finding the Fourth Proportional to 160,650.40, 240,932.40 and 67,136.80

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Solution

The fourth proportional to 160,650.40, 240,932.40 and 67,136.80 is: 100,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,650.40 : 240,932.40 = 67,136.80 : x
  2. Step 2: Convert to fraction form
    160,650.40/240,932.40 = 67,136.80/x
  3. Step 3: Cross multiply
    160,650.40x = 240,932.40 × 67,136.80
  4. Step 4: Simplify right side
    160,650.40x = 16,175,430,352.32
  5. Step 5: Solve for x
    x = 16,175,430,352.32/160,650.40
  6. Step 6: Final answer
    x = 100,687.15

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1.5x scale

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.