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Finding the Fourth Proportional to 133,757.70, 184,593.15 and 79,342.13

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Solution

The fourth proportional to 133,757.70, 184,593.15 and 79,342.13 is: 109,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,757.70 : 184,593.15 = 79,342.13 : x
  2. Step 2: Convert to fraction form
    133,757.70/184,593.15 = 79,342.13/x
  3. Step 3: Cross multiply
    133,757.70x = 184,593.15 × 79,342.13
  4. Step 4: Simplify right side
    133,757.70x = 14,646,014,165.89
  5. Step 5: Solve for x
    x = 14,646,014,165.89/133,757.70
  6. Step 6: Final answer
    x = 109,496.61

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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.