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Finding the Fourth Proportional to 73,620.46, 110,430.74 and 23,700.52

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Solution

The fourth proportional to 73,620.46, 110,430.74 and 23,700.52 is: 35,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,620.46 : 110,430.74 = 23,700.52 : x
  2. Step 2: Convert to fraction form
    73,620.46/110,430.74 = 23,700.52/x
  3. Step 3: Cross multiply
    73,620.46x = 110,430.74 × 23,700.52
  4. Step 4: Simplify right side
    73,620.46x = 2,617,265,961.98
  5. Step 5: Solve for x
    x = 2,617,265,961.98/73,620.46
  6. Step 6: Final answer
    x = 35,550.80

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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.