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Finding the Fourth Proportional to 95,959.64, 143,655.16 and 71,111.22

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Solution

The fourth proportional to 95,959.64, 143,655.16 and 71,111.22 is: 106,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,959.64 : 143,655.16 = 71,111.22 : x
  2. Step 2: Convert to fraction form
    95,959.64/143,655.16 = 71,111.22/x
  3. Step 3: Cross multiply
    95,959.64x = 143,655.16 × 71,111.22
  4. Step 4: Simplify right side
    95,959.64x = 10,215,493,885.82
  5. Step 5: Solve for x
    x = 10,215,493,885.82/95,959.64
  6. Step 6: Final answer
    x = 106,456.15

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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.