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Finding the Fourth Proportional to 201,145.96, 277,550.60 and 116,246.64

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Solution

The fourth proportional to 201,145.96, 277,550.60 and 116,246.64 is: 160,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,145.96 : 277,550.60 = 116,246.64 : x
  2. Step 2: Convert to fraction form
    201,145.96/277,550.60 = 116,246.64/x
  3. Step 3: Cross multiply
    201,145.96x = 277,550.60 × 116,246.64
  4. Step 4: Simplify right side
    201,145.96x = 32,264,324,679.98
  5. Step 5: Solve for x
    x = 32,264,324,679.98/201,145.96
  6. Step 6: Final answer
    x = 160,402.55

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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.