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Finding the Fourth Proportional to 73,904.40, 110,783.70 and 36,433.80

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Solution

The fourth proportional to 73,904.40, 110,783.70 and 36,433.80 is: 54,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,904.40 : 110,783.70 = 36,433.80 : x
  2. Step 2: Convert to fraction form
    73,904.40/110,783.70 = 36,433.80/x
  3. Step 3: Cross multiply
    73,904.40x = 110,783.70 × 36,433.80
  4. Step 4: Simplify right side
    73,904.40x = 4,036,271,169.06
  5. Step 5: Solve for x
    x = 4,036,271,169.06/73,904.40
  6. Step 6: Final answer
    x = 54,614.76

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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.