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Finding the Fourth Proportional to 269,737.76, 372,364.08 and 156,538.64

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Solution

The fourth proportional to 269,737.76, 372,364.08 and 156,538.64 is: 216,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,737.76 : 372,364.08 = 156,538.64 : x
  2. Step 2: Convert to fraction form
    269,737.76/372,364.08 = 156,538.64/x
  3. Step 3: Cross multiply
    269,737.76x = 372,364.08 × 156,538.64
  4. Step 4: Simplify right side
    269,737.76x = 58,289,366,668.05
  5. Step 5: Solve for x
    x = 58,289,366,668.05/269,737.76
  6. Step 6: Final answer
    x = 216,096.43

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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.