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Finding the Fourth Proportional to 106,864.80, 160,297.20 and 44,527.20

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Solution

The fourth proportional to 106,864.80, 160,297.20 and 44,527.20 is: 66,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,864.80 : 160,297.20 = 44,527.20 : x
  2. Step 2: Convert to fraction form
    106,864.80/160,297.20 = 44,527.20/x
  3. Step 3: Cross multiply
    106,864.80x = 160,297.20 × 44,527.20
  4. Step 4: Simplify right side
    106,864.80x = 7,137,585,483.84
  5. Step 5: Solve for x
    x = 7,137,585,483.84/106,864.80
  6. Step 6: Final answer
    x = 66,790.80

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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.