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Finding the Fourth Proportional to 144,327.58, 199,173.34 and 79,795.78

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Solution

The fourth proportional to 144,327.58, 199,173.34 and 79,795.78 is: 110,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,327.58 : 199,173.34 = 79,795.78 : x
  2. Step 2: Convert to fraction form
    144,327.58/199,173.34 = 79,795.78/x
  3. Step 3: Cross multiply
    144,327.58x = 199,173.34 × 79,795.78
  4. Step 4: Simplify right side
    144,327.58x = 15,893,192,020.51
  5. Step 5: Solve for x
    x = 15,893,192,020.51/144,327.58
  6. Step 6: Final answer
    x = 110,118.88

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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.