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Finding the Fourth Proportional to 95,649.64, 132,001.38 and 53,209

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Solution

The fourth proportional to 95,649.64, 132,001.38 and 53,209 is: 73,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,649.64 : 132,001.38 = 53,209 : x
  2. Step 2: Convert to fraction form
    95,649.64/132,001.38 = 53,209/x
  3. Step 3: Cross multiply
    95,649.64x = 132,001.38 × 53,209
  4. Step 4: Simplify right side
    95,649.64x = 7,023,661,428.42
  5. Step 5: Solve for x
    x = 7,023,661,428.42/95,649.64
  6. Step 6: Final answer
    x = 73,431.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.