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Finding the Fourth Proportional to 61,604.10, 92,406.15 and 44,764.20

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Solution

The fourth proportional to 61,604.10, 92,406.15 and 44,764.20 is: 67,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.10 : 92,406.15 = 44,764.20 : x
  2. Step 2: Convert to fraction form
    61,604.10/92,406.15 = 44,764.20/x
  3. Step 3: Cross multiply
    61,604.10x = 92,406.15 × 44,764.20
  4. Step 4: Simplify right side
    61,604.10x = 4,136,487,379.83
  5. Step 5: Solve for x
    x = 4,136,487,379.83/61,604.10
  6. Step 6: Final answer
    x = 67,146.30

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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.