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Finding the Fourth Proportional to 112,404.31, 168,496.84 and 44,916.21

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Solution

The fourth proportional to 112,404.31, 168,496.84 and 44,916.21 is: 67,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,404.31 : 168,496.84 = 44,916.21 : x
  2. Step 2: Convert to fraction form
    112,404.31/168,496.84 = 44,916.21/x
  3. Step 3: Cross multiply
    112,404.31x = 168,496.84 × 44,916.21
  4. Step 4: Simplify right side
    112,404.31x = 7,568,239,449.78
  5. Step 5: Solve for x
    x = 7,568,239,449.78/112,404.31
  6. Step 6: Final answer
    x = 67,330.51

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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.