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Finding the Fourth Proportional to 133,801.80, 184,655.02 and 88,400.14

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Solution

The fourth proportional to 133,801.80, 184,655.02 and 88,400.14 is: 121,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,801.80 : 184,655.02 = 88,400.14 : x
  2. Step 2: Convert to fraction form
    133,801.80/184,655.02 = 88,400.14/x
  3. Step 3: Cross multiply
    133,801.80x = 184,655.02 × 88,400.14
  4. Step 4: Simplify right side
    133,801.80x = 16,323,529,619.70
  5. Step 5: Solve for x
    x = 16,323,529,619.70/133,801.80
  6. Step 6: Final answer
    x = 121,997.83

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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.