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Finding the Fourth Proportional to 106,857.80, 160,344.30 and 44,534.60

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Solution

The fourth proportional to 106,857.80, 160,344.30 and 44,534.60 is: 66,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,857.80 : 160,344.30 = 44,534.60 : x
  2. Step 2: Convert to fraction form
    106,857.80/160,344.30 = 44,534.60/x
  3. Step 3: Cross multiply
    106,857.80x = 160,344.30 × 44,534.60
  4. Step 4: Simplify right side
    106,857.80x = 7,140,869,262.78
  5. Step 5: Solve for x
    x = 7,140,869,262.78/106,857.80
  6. Step 6: Final answer
    x = 66,825.91

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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.