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Finding the Fourth Proportional to 172,129.76, 237,537.46 and 95,648.95

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Solution

The fourth proportional to 172,129.76, 237,537.46 and 95,648.95 is: 131,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,129.76 : 237,537.46 = 95,648.95 : x
  2. Step 2: Convert to fraction form
    172,129.76/237,537.46 = 95,648.95/x
  3. Step 3: Cross multiply
    172,129.76x = 237,537.46 × 95,648.95
  4. Step 4: Simplify right side
    172,129.76x = 22,720,209,051.15
  5. Step 5: Solve for x
    x = 22,720,209,051.15/172,129.76
  6. Step 6: Final answer
    x = 131,994.66

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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.