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Finding the Fourth Proportional to 60,043.40, 90,066.92 and 20,599.94

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Solution

The fourth proportional to 60,043.40, 90,066.92 and 20,599.94 is: 30,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,043.40 : 90,066.92 = 20,599.94 : x
  2. Step 2: Convert to fraction form
    60,043.40/90,066.92 = 20,599.94/x
  3. Step 3: Cross multiply
    60,043.40x = 90,066.92 × 20,599.94
  4. Step 4: Simplify right side
    60,043.40x = 1,855,373,147.98
  5. Step 5: Solve for x
    x = 1,855,373,147.98/60,043.40
  6. Step 6: Final answer
    x = 30,900.53

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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.