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Finding the Fourth Proportional to 112,676.60, 155,493.46 and 67,352.40

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Solution

The fourth proportional to 112,676.60, 155,493.46 and 67,352.40 is: 92,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,676.60 : 155,493.46 = 67,352.40 : x
  2. Step 2: Convert to fraction form
    112,676.60/155,493.46 = 67,352.40/x
  3. Step 3: Cross multiply
    112,676.60x = 155,493.46 × 67,352.40
  4. Step 4: Simplify right side
    112,676.60x = 10,472,857,715.30
  5. Step 5: Solve for x
    x = 10,472,857,715.30/112,676.60
  6. Step 6: Final answer
    x = 92,946.16

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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.