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Finding the Fourth Proportional to 251,507.32, 377,285.64 and 91,626.70

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Solution

The fourth proportional to 251,507.32, 377,285.64 and 91,626.70 is: 137,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,507.32 : 377,285.64 = 91,626.70 : x
  2. Step 2: Convert to fraction form
    251,507.32/377,285.64 = 91,626.70/x
  3. Step 3: Cross multiply
    251,507.32x = 377,285.64 × 91,626.70
  4. Step 4: Simplify right side
    251,507.32x = 34,569,438,150.59
  5. Step 5: Solve for x
    x = 34,569,438,150.59/251,507.32
  6. Step 6: Final answer
    x = 137,449.03

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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.