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Finding the Fourth Proportional to 83,892.96, 115,772.49 and 45,652.50

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Solution

The fourth proportional to 83,892.96, 115,772.49 and 45,652.50 is: 63,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,892.96 : 115,772.49 = 45,652.50 : x
  2. Step 2: Convert to fraction form
    83,892.96/115,772.49 = 45,652.50/x
  3. Step 3: Cross multiply
    83,892.96x = 115,772.49 × 45,652.50
  4. Step 4: Simplify right side
    83,892.96x = 5,285,303,599.73
  5. Step 5: Solve for x
    x = 5,285,303,599.73/83,892.96
  6. Step 6: Final answer
    x = 63,000.56

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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.