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Finding the Fourth Proportional to 101,013.66, 151,487.69 and 47,697.39

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Solution

The fourth proportional to 101,013.66, 151,487.69 and 47,697.39 is: 71,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,013.66 : 151,487.69 = 47,697.39 : x
  2. Step 2: Convert to fraction form
    101,013.66/151,487.69 = 47,697.39/x
  3. Step 3: Cross multiply
    101,013.66x = 151,487.69 × 47,697.39
  4. Step 4: Simplify right side
    101,013.66x = 7,225,567,191.64
  5. Step 5: Solve for x
    x = 7,225,567,191.64/101,013.66
  6. Step 6: Final answer
    x = 71,530.59

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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.