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Finding the Fourth Proportional to 101,346.21, 151,934.40 and 48,007.71

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Solution

The fourth proportional to 101,346.21, 151,934.40 and 48,007.71 is: 71,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,346.21 : 151,934.40 = 48,007.71 : x
  2. Step 2: Convert to fraction form
    101,346.21/151,934.40 = 48,007.71/x
  3. Step 3: Cross multiply
    101,346.21x = 151,934.40 × 48,007.71
  4. Step 4: Simplify right side
    101,346.21x = 7,294,022,614.22
  5. Step 5: Solve for x
    x = 7,294,022,614.22/101,346.21
  6. Step 6: Final answer
    x = 71,971.34

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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.