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Finding the Fourth Proportional to 133,858.25, 184,726.85 and 73,431.98

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Solution

The fourth proportional to 133,858.25, 184,726.85 and 73,431.98 is: 101,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,858.25 : 184,726.85 = 73,431.98 : x
  2. Step 2: Convert to fraction form
    133,858.25/184,726.85 = 73,431.98/x
  3. Step 3: Cross multiply
    133,858.25x = 184,726.85 × 73,431.98
  4. Step 4: Simplify right side
    133,858.25x = 13,564,857,063.87
  5. Step 5: Solve for x
    x = 13,564,857,063.87/133,858.25
  6. Step 6: Final answer
    x = 101,337.48

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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.