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Finding the Fourth Proportional to 185,086.64, 277,741.03 and 79,905.51

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Solution

The fourth proportional to 185,086.64, 277,741.03 and 79,905.51 is: 119,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,086.64 : 277,741.03 = 79,905.51 : x
  2. Step 2: Convert to fraction form
    185,086.64/277,741.03 = 79,905.51/x
  3. Step 3: Cross multiply
    185,086.64x = 277,741.03 × 79,905.51
  4. Step 4: Simplify right side
    185,086.64x = 22,193,038,650.08
  5. Step 5: Solve for x
    x = 22,193,038,650.08/185,086.64
  6. Step 6: Final answer
    x = 119,906.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.