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Finding the Fourth Proportional to 60,466.20, 90,602.10 and 44,719.80

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Solution

The fourth proportional to 60,466.20, 90,602.10 and 44,719.80 is: 67,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,466.20 : 90,602.10 = 44,719.80 : x
  2. Step 2: Convert to fraction form
    60,466.20/90,602.10 = 44,719.80/x
  3. Step 3: Cross multiply
    60,466.20x = 90,602.10 × 44,719.80
  4. Step 4: Simplify right side
    60,466.20x = 4,051,707,791.58
  5. Step 5: Solve for x
    x = 4,051,707,791.58/60,466.20
  6. Step 6: Final answer
    x = 67,007.81

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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.