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Finding the Fourth Proportional to 133,675.82, 184,501.50 and 79,972.82

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Solution

The fourth proportional to 133,675.82, 184,501.50 and 79,972.82 is: 110,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,675.82 : 184,501.50 = 79,972.82 : x
  2. Step 2: Convert to fraction form
    133,675.82/184,501.50 = 79,972.82/x
  3. Step 3: Cross multiply
    133,675.82x = 184,501.50 × 79,972.82
  4. Step 4: Simplify right side
    133,675.82x = 14,755,105,249.23
  5. Step 5: Solve for x
    x = 14,755,105,249.23/133,675.82
  6. Step 6: Final answer
    x = 110,379.76

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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.