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Finding the Fourth Proportional to 111,510.30, 167,265.45 and 92,811.45

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Solution

The fourth proportional to 111,510.30, 167,265.45 and 92,811.45 is: 139,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,510.30 : 167,265.45 = 92,811.45 : x
  2. Step 2: Convert to fraction form
    111,510.30/167,265.45 = 92,811.45/x
  3. Step 3: Cross multiply
    111,510.30x = 167,265.45 × 92,811.45
  4. Step 4: Simplify right side
    111,510.30x = 15,524,148,949.40
  5. Step 5: Solve for x
    x = 15,524,148,949.40/111,510.30
  6. Step 6: Final answer
    x = 139,217.18

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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.