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Finding the Fourth Proportional to 111,340.10, 167,010.15 and 28,234.10

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Solution

The fourth proportional to 111,340.10, 167,010.15 and 28,234.10 is: 42,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,340.10 : 167,010.15 = 28,234.10 : x
  2. Step 2: Convert to fraction form
    111,340.10/167,010.15 = 28,234.10/x
  3. Step 3: Cross multiply
    111,340.10x = 167,010.15 × 28,234.10
  4. Step 4: Simplify right side
    111,340.10x = 4,715,381,276.12
  5. Step 5: Solve for x
    x = 4,715,381,276.12/111,340.10
  6. Step 6: Final answer
    x = 42,351.15

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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.