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Finding the Fourth Proportional to 151,988.60, 227,994.67 and 50,787

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Solution

The fourth proportional to 151,988.60, 227,994.67 and 50,787 is: 76,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,988.60 : 227,994.67 = 50,787 : x
  2. Step 2: Convert to fraction form
    151,988.60/227,994.67 = 50,787/x
  3. Step 3: Cross multiply
    151,988.60x = 227,994.67 × 50,787
  4. Step 4: Simplify right side
    151,988.60x = 11,579,165,305.29
  5. Step 5: Solve for x
    x = 11,579,165,305.29/151,988.60
  6. Step 6: Final answer
    x = 76,184.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.