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Finding the Fourth Proportional to 133,375.74, 184,051.70 and 72,934.68

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Solution

The fourth proportional to 133,375.74, 184,051.70 and 72,934.68 is: 100,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,375.74 : 184,051.70 = 72,934.68 : x
  2. Step 2: Convert to fraction form
    133,375.74/184,051.70 = 72,934.68/x
  3. Step 3: Cross multiply
    133,375.74x = 184,051.70 × 72,934.68
  4. Step 4: Simplify right side
    133,375.74x = 13,423,751,842.96
  5. Step 5: Solve for x
    x = 13,423,751,842.96/133,375.74
  6. Step 6: Final answer
    x = 100,646.13

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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.