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Finding the Fourth Proportional to 58,808.68, 81,168.81 and 36,167.15

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Solution

The fourth proportional to 58,808.68, 81,168.81 and 36,167.15 is: 49,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.68 : 81,168.81 = 36,167.15 : x
  2. Step 2: Convert to fraction form
    58,808.68/81,168.81 = 36,167.15/x
  3. Step 3: Cross multiply
    58,808.68x = 81,168.81 × 36,167.15
  4. Step 4: Simplify right side
    58,808.68x = 2,935,644,526.59
  5. Step 5: Solve for x
    x = 2,935,644,526.59/58,808.68
  6. Step 6: Final answer
    x = 49,918.56

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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.