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Finding the Fourth Proportional to 101,277.73, 151,914.60 and 30,248.47

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Solution

The fourth proportional to 101,277.73, 151,914.60 and 30,248.47 is: 45,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.73 : 151,914.60 = 30,248.47 : x
  2. Step 2: Convert to fraction form
    101,277.73/151,914.60 = 30,248.47/x
  3. Step 3: Cross multiply
    101,277.73x = 151,914.60 × 30,248.47
  4. Step 4: Simplify right side
    101,277.73x = 4,595,184,220.66
  5. Step 5: Solve for x
    x = 4,595,184,220.66/101,277.73
  6. Step 6: Final answer
    x = 45,372.11

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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.