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Finding the Fourth Proportional to 251,754.99, 347,381.24 and 144,305.25

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Solution

The fourth proportional to 251,754.99, 347,381.24 and 144,305.25 is: 199,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,754.99 : 347,381.24 = 144,305.25 : x
  2. Step 2: Convert to fraction form
    251,754.99/347,381.24 = 144,305.25/x
  3. Step 3: Cross multiply
    251,754.99x = 347,381.24 × 144,305.25
  4. Step 4: Simplify right side
    251,754.99x = 50,128,935,961.98
  5. Step 5: Solve for x
    x = 50,128,935,961.98/251,754.99
  6. Step 6: Final answer
    x = 199,117.94

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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.