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Finding the Fourth Proportional to 252,054.77, 347,843.45 and 144,644.45

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Solution

The fourth proportional to 252,054.77, 347,843.45 and 144,644.45 is: 199,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,054.77 : 347,843.45 = 144,644.45 : x
  2. Step 2: Convert to fraction form
    252,054.77/347,843.45 = 144,644.45/x
  3. Step 3: Cross multiply
    252,054.77x = 347,843.45 × 144,644.45
  4. Step 4: Simplify right side
    252,054.77x = 50,313,623,133.75
  5. Step 5: Solve for x
    x = 50,313,623,133.75/252,054.77
  6. Step 6: Final answer
    x = 199,613.85

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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.