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Finding the Fourth Proportional to 133,843.17, 184,920.53 and 113,910.69

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Solution

The fourth proportional to 133,843.17, 184,920.53 and 113,910.69 is: 157,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,843.17 : 184,920.53 = 113,910.69 : x
  2. Step 2: Convert to fraction form
    133,843.17/184,920.53 = 113,910.69/x
  3. Step 3: Cross multiply
    133,843.17x = 184,920.53 × 113,910.69
  4. Step 4: Simplify right side
    133,843.17x = 21,064,424,597.91
  5. Step 5: Solve for x
    x = 21,064,424,597.91/133,843.17
  6. Step 6: Final answer
    x = 157,381.39

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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.