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Finding the Fourth Proportional to 73,810.70, 110,640.45 and 36,313.10

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Solution

The fourth proportional to 73,810.70, 110,640.45 and 36,313.10 is: 54,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,810.70 : 110,640.45 = 36,313.10 : x
  2. Step 2: Convert to fraction form
    73,810.70/110,640.45 = 36,313.10/x
  3. Step 3: Cross multiply
    73,810.70x = 110,640.45 × 36,313.10
  4. Step 4: Simplify right side
    73,810.70x = 4,017,697,724.90
  5. Step 5: Solve for x
    x = 4,017,697,724.90/73,810.70
  6. Step 6: Final answer
    x = 54,432.46

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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.