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Finding the Fourth Proportional to 73,900.72, 110,783.96 and 29,518

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Solution

The fourth proportional to 73,900.72, 110,783.96 and 29,518 is: 44,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,900.72 : 110,783.96 = 29,518 : x
  2. Step 2: Convert to fraction form
    73,900.72/110,783.96 = 29,518/x
  3. Step 3: Cross multiply
    73,900.72x = 110,783.96 × 29,518
  4. Step 4: Simplify right side
    73,900.72x = 3,270,120,931.28
  5. Step 5: Solve for x
    x = 3,270,120,931.28/73,900.72
  6. Step 6: Final answer
    x = 44,250.19

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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.