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Finding the Fourth Proportional to 73,253.87, 109,783.75 and 37,713.75

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Solution

The fourth proportional to 73,253.87, 109,783.75 and 37,713.75 is: 56,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.87 : 109,783.75 = 37,713.75 : x
  2. Step 2: Convert to fraction form
    73,253.87/109,783.75 = 37,713.75/x
  3. Step 3: Cross multiply
    73,253.87x = 109,783.75 × 37,713.75
  4. Step 4: Simplify right side
    73,253.87x = 4,140,356,164.08
  5. Step 5: Solve for x
    x = 4,140,356,164.08/73,253.87
  6. Step 6: Final answer
    x = 56,520.65

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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.