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Finding the Fourth Proportional to 110,687.26, 152,747.70 and 62,940.64

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Solution

The fourth proportional to 110,687.26, 152,747.70 and 62,940.64 is: 86,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,687.26 : 152,747.70 = 62,940.64 : x
  2. Step 2: Convert to fraction form
    110,687.26/152,747.70 = 62,940.64/x
  3. Step 3: Cross multiply
    110,687.26x = 152,747.70 × 62,940.64
  4. Step 4: Simplify right side
    110,687.26x = 9,614,037,996.53
  5. Step 5: Solve for x
    x = 9,614,037,996.53/110,687.26
  6. Step 6: Final answer
    x = 86,857.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.