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Finding the Fourth Proportional to 73,159.11, 100,958.94 and 39,625.11

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Solution

The fourth proportional to 73,159.11, 100,958.94 and 39,625.11 is: 54,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.11 : 100,958.94 = 39,625.11 : x
  2. Step 2: Convert to fraction form
    73,159.11/100,958.94 = 39,625.11/x
  3. Step 3: Cross multiply
    73,159.11x = 100,958.94 × 39,625.11
  4. Step 4: Simplify right side
    73,159.11x = 4,000,509,102.98
  5. Step 5: Solve for x
    x = 4,000,509,102.98/73,159.11
  6. Step 6: Final answer
    x = 54,682.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.