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Finding the Fourth Proportional to 172,092.34, 237,521.43 and 109,963.11

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Solution

The fourth proportional to 172,092.34, 237,521.43 and 109,963.11 is: 151,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,092.34 : 237,521.43 = 109,963.11 : x
  2. Step 2: Convert to fraction form
    172,092.34/237,521.43 = 109,963.11/x
  3. Step 3: Cross multiply
    172,092.34x = 237,521.43 × 109,963.11
  4. Step 4: Simplify right side
    172,092.34x = 26,118,596,025.15
  5. Step 5: Solve for x
    x = 26,118,596,025.15/172,092.34
  6. Step 6: Final answer
    x = 151,770.82

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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.