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Finding the Fourth Proportional to 74,672.90, 103,026.54 and 44,433.98

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Solution

The fourth proportional to 74,672.90, 103,026.54 and 44,433.98 is: 61,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,672.90 : 103,026.54 = 44,433.98 : x
  2. Step 2: Convert to fraction form
    74,672.90/103,026.54 = 44,433.98/x
  3. Step 3: Cross multiply
    74,672.90x = 103,026.54 × 44,433.98
  4. Step 4: Simplify right side
    74,672.90x = 4,577,879,217.83
  5. Step 5: Solve for x
    x = 4,577,879,217.83/74,672.90
  6. Step 6: Final answer
    x = 61,305.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.