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Finding the Fourth Proportional to 73,323.56, 101,186.52 and 39,789.56

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Solution

The fourth proportional to 73,323.56, 101,186.52 and 39,789.56 is: 54,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,323.56 : 101,186.52 = 39,789.56 : x
  2. Step 2: Convert to fraction form
    73,323.56/101,186.52 = 39,789.56/x
  3. Step 3: Cross multiply
    73,323.56x = 101,186.52 × 39,789.56
  4. Step 4: Simplify right side
    73,323.56x = 4,026,167,212.49
  5. Step 5: Solve for x
    x = 4,026,167,212.49/73,323.56
  6. Step 6: Final answer
    x = 54,909.60

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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.