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Finding the Fourth Proportional to 73,166.08, 100,969.50 and 39,632.08

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Solution

The fourth proportional to 73,166.08, 100,969.50 and 39,632.08 is: 54,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.08 : 100,969.50 = 39,632.08 : x
  2. Step 2: Convert to fraction form
    73,166.08/100,969.50 = 39,632.08/x
  3. Step 3: Cross multiply
    73,166.08x = 100,969.50 × 39,632.08
  4. Step 4: Simplify right side
    73,166.08x = 4,001,631,301.56
  5. Step 5: Solve for x
    x = 4,001,631,301.56/73,166.08
  6. Step 6: Final answer
    x = 54,692.44

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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.