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Finding the Fourth Proportional to 181,909.94, 251,043.28 and 101,337.44

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Solution

The fourth proportional to 181,909.94, 251,043.28 and 101,337.44 is: 139,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,909.94 : 251,043.28 = 101,337.44 : x
  2. Step 2: Convert to fraction form
    181,909.94/251,043.28 = 101,337.44/x
  3. Step 3: Cross multiply
    181,909.94x = 251,043.28 × 101,337.44
  4. Step 4: Simplify right side
    181,909.94x = 25,440,083,324.40
  5. Step 5: Solve for x
    x = 25,440,083,324.40/181,909.94
  6. Step 6: Final answer
    x = 139,849.88

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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.