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Finding the Fourth Proportional to 101,159.21, 151,826.29 and 38,873.45

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Solution

The fourth proportional to 101,159.21, 151,826.29 and 38,873.45 is: 58,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,159.21 : 151,826.29 = 38,873.45 : x
  2. Step 2: Convert to fraction form
    101,159.21/151,826.29 = 38,873.45/x
  3. Step 3: Cross multiply
    101,159.21x = 151,826.29 × 38,873.45
  4. Step 4: Simplify right side
    101,159.21x = 5,902,011,975.38
  5. Step 5: Solve for x
    x = 5,902,011,975.38/101,159.21
  6. Step 6: Final answer
    x = 58,343.79

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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.