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Finding the Fourth Proportional to 74,384.60, 102,616.34 and 44,152.70

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Solution

The fourth proportional to 74,384.60, 102,616.34 and 44,152.70 is: 60,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.60 : 102,616.34 = 44,152.70 : x
  2. Step 2: Convert to fraction form
    74,384.60/102,616.34 = 44,152.70/x
  3. Step 3: Cross multiply
    74,384.60x = 102,616.34 × 44,152.70
  4. Step 4: Simplify right side
    74,384.60x = 4,530,788,475.12
  5. Step 5: Solve for x
    x = 4,530,788,475.12/74,384.60
  6. Step 6: Final answer
    x = 60,910.30

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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.