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Finding the Fourth Proportional to 143,800.66, 215,701.50 and 43,960.48

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Solution

The fourth proportional to 143,800.66, 215,701.50 and 43,960.48 is: 65,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,800.66 : 215,701.50 = 43,960.48 : x
  2. Step 2: Convert to fraction form
    143,800.66/215,701.50 = 43,960.48/x
  3. Step 3: Cross multiply
    143,800.66x = 215,701.50 × 43,960.48
  4. Step 4: Simplify right side
    143,800.66x = 9,482,341,476.72
  5. Step 5: Solve for x
    x = 9,482,341,476.72/143,800.66
  6. Step 6: Final answer
    x = 65,940.88

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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.