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Finding the Fourth Proportional to 60,701.40, 91,052.10 and 50,859.90

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Solution

The fourth proportional to 60,701.40, 91,052.10 and 50,859.90 is: 76,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,701.40 : 91,052.10 = 50,859.90 : x
  2. Step 2: Convert to fraction form
    60,701.40/91,052.10 = 50,859.90/x
  3. Step 3: Cross multiply
    60,701.40x = 91,052.10 × 50,859.90
  4. Step 4: Simplify right side
    60,701.40x = 4,630,900,700.79
  5. Step 5: Solve for x
    x = 4,630,900,700.79/60,701.40
  6. Step 6: Final answer
    x = 76,289.85

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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.