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Finding the Fourth Proportional to 158,507.52, 218,742.84 and 94,848

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Solution

The fourth proportional to 158,507.52, 218,742.84 and 94,848 is: 130,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,507.52 : 218,742.84 = 94,848 : x
  2. Step 2: Convert to fraction form
    158,507.52/218,742.84 = 94,848/x
  3. Step 3: Cross multiply
    158,507.52x = 218,742.84 × 94,848
  4. Step 4: Simplify right side
    158,507.52x = 20,747,320,888.32
  5. Step 5: Solve for x
    x = 20,747,320,888.32/158,507.52
  6. Step 6: Final answer
    x = 130,891.71

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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.