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Finding the Fourth Proportional to 143,656.26, 215,516.22 and 43,824.12

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Solution

The fourth proportional to 143,656.26, 215,516.22 and 43,824.12 is: 65,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,656.26 : 215,516.22 = 43,824.12 : x
  2. Step 2: Convert to fraction form
    143,656.26/215,516.22 = 43,824.12/x
  3. Step 3: Cross multiply
    143,656.26x = 215,516.22 × 43,824.12
  4. Step 4: Simplify right side
    143,656.26x = 9,444,808,687.23
  5. Step 5: Solve for x
    x = 9,444,808,687.23/143,656.26
  6. Step 6: Final answer
    x = 65,745.89

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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.