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Finding the Fourth Proportional to 172,910.75, 238,813.67 and 116,223.71

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Solution

The fourth proportional to 172,910.75, 238,813.67 and 116,223.71 is: 160,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,910.75 : 238,813.67 = 116,223.71 : x
  2. Step 2: Convert to fraction form
    172,910.75/238,813.67 = 116,223.71/x
  3. Step 3: Cross multiply
    172,910.75x = 238,813.67 × 116,223.71
  4. Step 4: Simplify right side
    172,910.75x = 27,755,810,726.12
  5. Step 5: Solve for x
    x = 27,755,810,726.12/172,910.75
  6. Step 6: Final answer
    x = 160,521.02

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1.5x scale

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.