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Finding the Fourth Proportional to 74,483.88, 102,776.20 and 44,257.96

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Solution

The fourth proportional to 74,483.88, 102,776.20 and 44,257.96 is: 61,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,483.88 : 102,776.20 = 44,257.96 : x
  2. Step 2: Convert to fraction form
    74,483.88/102,776.20 = 44,257.96/x
  3. Step 3: Cross multiply
    74,483.88x = 102,776.20 × 44,257.96
  4. Step 4: Simplify right side
    74,483.88x = 4,548,664,948.55
  5. Step 5: Solve for x
    x = 4,548,664,948.55/74,483.88
  6. Step 6: Final answer
    x = 61,069.12

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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.