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Finding the Fourth Proportional to 83,408.63, 124,799.04 and 58,497.30

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Solution

The fourth proportional to 83,408.63, 124,799.04 and 58,497.30 is: 87,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,408.63 : 124,799.04 = 58,497.30 : x
  2. Step 2: Convert to fraction form
    83,408.63/124,799.04 = 58,497.30/x
  3. Step 3: Cross multiply
    83,408.63x = 124,799.04 × 58,497.30
  4. Step 4: Simplify right side
    83,408.63x = 7,300,406,882.59
  5. Step 5: Solve for x
    x = 7,300,406,882.59/83,408.63
  6. Step 6: Final answer
    x = 87,525.80

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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.