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Finding the Fourth Proportional to 277,632.83, 383,141.16 and 156,792.29

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Solution

The fourth proportional to 277,632.83, 383,141.16 and 156,792.29 is: 216,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,632.83 : 383,141.16 = 156,792.29 : x
  2. Step 2: Convert to fraction form
    277,632.83/383,141.16 = 156,792.29/x
  3. Step 3: Cross multiply
    277,632.83x = 383,141.16 × 156,792.29
  4. Step 4: Simplify right side
    277,632.83x = 60,073,579,869.66
  5. Step 5: Solve for x
    x = 60,073,579,869.66/277,632.83
  6. Step 6: Final answer
    x = 216,377.80

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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.