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Finding the Fourth Proportional to 96,889.68, 133,676.89 and 58,637

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Solution

The fourth proportional to 96,889.68, 133,676.89 and 58,637 is: 80,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,889.68 : 133,676.89 = 58,637 : x
  2. Step 2: Convert to fraction form
    96,889.68/133,676.89 = 58,637/x
  3. Step 3: Cross multiply
    96,889.68x = 133,676.89 × 58,637
  4. Step 4: Simplify right side
    96,889.68x = 7,838,411,798.93
  5. Step 5: Solve for x
    x = 7,838,411,798.93/96,889.68
  6. Step 6: Final answer
    x = 80,900.38

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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.