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Finding the Fourth Proportional to 172,056.99, 237,445.30 and 95,581.87

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Solution

The fourth proportional to 172,056.99, 237,445.30 and 95,581.87 is: 131,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,056.99 : 237,445.30 = 95,581.87 : x
  2. Step 2: Convert to fraction form
    172,056.99/237,445.30 = 95,581.87/x
  3. Step 3: Cross multiply
    172,056.99x = 237,445.30 × 95,581.87
  4. Step 4: Simplify right side
    172,056.99x = 22,695,466,389.38
  5. Step 5: Solve for x
    x = 22,695,466,389.38/172,056.99
  6. Step 6: Final answer
    x = 131,906.68

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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.