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Finding the Fourth Proportional to 60,266.70, 90,400.05 and 50,498.10

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Solution

The fourth proportional to 60,266.70, 90,400.05 and 50,498.10 is: 75,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,266.70 : 90,400.05 = 50,498.10 : x
  2. Step 2: Convert to fraction form
    60,266.70/90,400.05 = 50,498.10/x
  3. Step 3: Cross multiply
    60,266.70x = 90,400.05 × 50,498.10
  4. Step 4: Simplify right side
    60,266.70x = 4,565,030,764.91
  5. Step 5: Solve for x
    x = 4,565,030,764.91/60,266.70
  6. Step 6: Final answer
    x = 75,747.15

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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.