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Finding the Fourth Proportional to 133,465.76, 184,333.92 and 90,950.48

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Solution

The fourth proportional to 133,465.76, 184,333.92 and 90,950.48 is: 125,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,465.76 : 184,333.92 = 90,950.48 : x
  2. Step 2: Convert to fraction form
    133,465.76/184,333.92 = 90,950.48/x
  3. Step 3: Cross multiply
    133,465.76x = 184,333.92 × 90,950.48
  4. Step 4: Simplify right side
    133,465.76x = 16,765,258,504.28
  5. Step 5: Solve for x
    x = 16,765,258,504.28/133,465.76
  6. Step 6: Final answer
    x = 125,614.68

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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.