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Finding the Fourth Proportional to 60,083.58, 90,118.89 and 20,098.03

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Solution

The fourth proportional to 60,083.58, 90,118.89 and 20,098.03 is: 30,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,083.58 : 90,118.89 = 20,098.03 : x
  2. Step 2: Convert to fraction form
    60,083.58/90,118.89 = 20,098.03/x
  3. Step 3: Cross multiply
    60,083.58x = 90,118.89 × 20,098.03
  4. Step 4: Simplify right side
    60,083.58x = 1,811,212,284.33
  5. Step 5: Solve for x
    x = 1,811,212,284.33/60,083.58
  6. Step 6: Final answer
    x = 30,144.88

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1.5x scale

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.