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Finding the Fourth Proportional to 255,711.16, 352,751.70 and 195,176.71

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Solution

The fourth proportional to 255,711.16, 352,751.70 and 195,176.71 is: 269,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,711.16 : 352,751.70 = 195,176.71 : x
  2. Step 2: Convert to fraction form
    255,711.16/352,751.70 = 195,176.71/x
  3. Step 3: Cross multiply
    255,711.16x = 352,751.70 × 195,176.71
  4. Step 4: Simplify right side
    255,711.16x = 68,848,916,252.91
  5. Step 5: Solve for x
    x = 68,848,916,252.91/255,711.16
  6. Step 6: Final answer
    x = 269,244.86

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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.