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Finding the Fourth Proportional to 172,271.99, 237,773.40 and 108,695.90

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Solution

The fourth proportional to 172,271.99, 237,773.40 and 108,695.90 is: 150,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,271.99 : 237,773.40 = 108,695.90 : x
  2. Step 2: Convert to fraction form
    172,271.99/237,773.40 = 108,695.90/x
  3. Step 3: Cross multiply
    172,271.99x = 237,773.40 × 108,695.90
  4. Step 4: Simplify right side
    172,271.99x = 25,844,993,709.06
  5. Step 5: Solve for x
    x = 25,844,993,709.06/172,271.99
  6. Step 6: Final answer
    x = 150,024.35

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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.