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Finding the Fourth Proportional to 73,309.44, 101,164.32 and 39,774.72

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Solution

The fourth proportional to 73,309.44, 101,164.32 and 39,774.72 is: 54,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,309.44 : 101,164.32 = 39,774.72 : x
  2. Step 2: Convert to fraction form
    73,309.44/101,164.32 = 39,774.72/x
  3. Step 3: Cross multiply
    73,309.44x = 101,164.32 × 39,774.72
  4. Step 4: Simplify right side
    73,309.44x = 4,023,782,501.99
  5. Step 5: Solve for x
    x = 4,023,782,501.99/73,309.44
  6. Step 6: Final answer
    x = 54,887.64

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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.