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Finding the Fourth Proportional to 73,783.56, 101,781.36 and 60,960.90

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Solution

The fourth proportional to 73,783.56, 101,781.36 and 60,960.90 is: 84,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,783.56 : 101,781.36 = 60,960.90 : x
  2. Step 2: Convert to fraction form
    73,783.56/101,781.36 = 60,960.90/x
  3. Step 3: Cross multiply
    73,783.56x = 101,781.36 × 60,960.90
  4. Step 4: Simplify right side
    73,783.56x = 6,204,683,308.82
  5. Step 5: Solve for x
    x = 6,204,683,308.82/73,783.56
  6. Step 6: Final answer
    x = 84,093.03

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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.