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Finding the Fourth Proportional to 112,675.02, 155,481.03 and 67,344.06

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Solution

The fourth proportional to 112,675.02, 155,481.03 and 67,344.06 is: 92,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,675.02 : 155,481.03 = 67,344.06 : x
  2. Step 2: Convert to fraction form
    112,675.02/155,481.03 = 67,344.06/x
  3. Step 3: Cross multiply
    112,675.02x = 155,481.03 × 67,344.06
  4. Step 4: Simplify right side
    112,675.02x = 10,470,723,813.18
  5. Step 5: Solve for x
    x = 10,470,723,813.18/112,675.02
  6. Step 6: Final answer
    x = 92,928.53

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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.