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Finding the Fourth Proportional to 143,797.77, 215,697.20 and 43,957.58

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Solution

The fourth proportional to 143,797.77, 215,697.20 and 43,957.58 is: 65,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,797.77 : 215,697.20 = 43,957.58 : x
  2. Step 2: Convert to fraction form
    143,797.77/215,697.20 = 43,957.58/x
  3. Step 3: Cross multiply
    143,797.77x = 215,697.20 × 43,957.58
  4. Step 4: Simplify right side
    143,797.77x = 9,481,525,626.50
  5. Step 5: Solve for x
    x = 9,481,525,626.50/143,797.77
  6. Step 6: Final answer
    x = 65,936.53

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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.