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Finding the Fourth Proportional to 73,808.70, 110,637.45 and 36,311.10

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Solution

The fourth proportional to 73,808.70, 110,637.45 and 36,311.10 is: 54,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,808.70 : 110,637.45 = 36,311.10 : x
  2. Step 2: Convert to fraction form
    73,808.70/110,637.45 = 36,311.10/x
  3. Step 3: Cross multiply
    73,808.70x = 110,637.45 × 36,311.10
  4. Step 4: Simplify right side
    73,808.70x = 4,017,367,510.70
  5. Step 5: Solve for x
    x = 4,017,367,510.70/73,808.70
  6. Step 6: Final answer
    x = 54,429.46

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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.