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Finding the Fourth Proportional to 143,953.44, 215,961.10 and 44,120.52

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Solution

The fourth proportional to 143,953.44, 215,961.10 and 44,120.52 is: 66,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,953.44 : 215,961.10 = 44,120.52 : x
  2. Step 2: Convert to fraction form
    143,953.44/215,961.10 = 44,120.52/x
  3. Step 3: Cross multiply
    143,953.44x = 215,961.10 × 44,120.52
  4. Step 4: Simplify right side
    143,953.44x = 9,528,316,031.77
  5. Step 5: Solve for x
    x = 9,528,316,031.77/143,953.44
  6. Step 6: Final answer
    x = 66,190.26

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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.