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Finding the Fourth Proportional to 112,528.75, 168,794.75 and 29,422.75

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Solution

The fourth proportional to 112,528.75, 168,794.75 and 29,422.75 is: 44,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,528.75 : 168,794.75 = 29,422.75 : x
  2. Step 2: Convert to fraction form
    112,528.75/168,794.75 = 29,422.75/x
  3. Step 3: Cross multiply
    112,528.75x = 168,794.75 × 29,422.75
  4. Step 4: Simplify right side
    112,528.75x = 4,966,405,730.56
  5. Step 5: Solve for x
    x = 4,966,405,730.56/112,528.75
  6. Step 6: Final answer
    x = 44,134.55

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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.