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Finding the Fourth Proportional to 110,372.94, 165,560.99 and 31,487.17

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Solution

The fourth proportional to 110,372.94, 165,560.99 and 31,487.17 is: 47,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,372.94 : 165,560.99 = 31,487.17 : x
  2. Step 2: Convert to fraction form
    110,372.94/165,560.99 = 31,487.17/x
  3. Step 3: Cross multiply
    110,372.94x = 165,560.99 × 31,487.17
  4. Step 4: Simplify right side
    110,372.94x = 5,213,047,037.50
  5. Step 5: Solve for x
    x = 5,213,047,037.50/110,372.94
  6. Step 6: Final answer
    x = 47,231.21

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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.