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Finding the Fourth Proportional to 251,440.55, 377,160.81 and 73,947.56

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Solution

The fourth proportional to 251,440.55, 377,160.81 and 73,947.56 is: 110,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,440.55 : 377,160.81 = 73,947.56 : x
  2. Step 2: Convert to fraction form
    251,440.55/377,160.81 = 73,947.56/x
  3. Step 3: Cross multiply
    251,440.55x = 377,160.81 × 73,947.56
  4. Step 4: Simplify right side
    251,440.55x = 27,890,119,741.32
  5. Step 5: Solve for x
    x = 27,890,119,741.32/251,440.55
  6. Step 6: Final answer
    x = 110,921.33

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Similar ratio
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1.5x scale

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.