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Finding the Fourth Proportional to 76,244.69, 114,317.19 and 36,764.48

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Solution

The fourth proportional to 76,244.69, 114,317.19 and 36,764.48 is: 55,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,244.69 : 114,317.19 = 36,764.48 : x
  2. Step 2: Convert to fraction form
    76,244.69/114,317.19 = 36,764.48/x
  3. Step 3: Cross multiply
    76,244.69x = 114,317.19 × 36,764.48
  4. Step 4: Simplify right side
    76,244.69x = 4,202,812,331.20
  5. Step 5: Solve for x
    x = 4,202,812,331.20/76,244.69
  6. Step 6: Final answer
    x = 55,122.69

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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.