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Finding the Fourth Proportional to 201,289.96, 277,734.18 and 116,391.88

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Solution

The fourth proportional to 201,289.96, 277,734.18 and 116,391.88 is: 160,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,289.96 : 277,734.18 = 116,391.88 : x
  2. Step 2: Convert to fraction form
    201,289.96/277,734.18 = 116,391.88/x
  3. Step 3: Cross multiply
    201,289.96x = 277,734.18 × 116,391.88
  4. Step 4: Simplify right side
    201,289.96x = 32,326,003,350.46
  5. Step 5: Solve for x
    x = 32,326,003,350.46/201,289.96
  6. Step 6: Final answer
    x = 160,594.22

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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.