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Finding the Fourth Proportional to 133,400.52, 184,108.68 and 76,810.68

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Solution

The fourth proportional to 133,400.52, 184,108.68 and 76,810.68 is: 106,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,400.52 : 184,108.68 = 76,810.68 : x
  2. Step 2: Convert to fraction form
    133,400.52/184,108.68 = 76,810.68/x
  3. Step 3: Cross multiply
    133,400.52x = 184,108.68 × 76,810.68
  4. Step 4: Simplify right side
    133,400.52x = 14,141,512,904.70
  5. Step 5: Solve for x
    x = 14,141,512,904.70/133,400.52
  6. Step 6: Final answer
    x = 106,007.93

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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.