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Finding the Fourth Proportional to 111,325.90, 167,009.10 and 36,425.20

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Solution

The fourth proportional to 111,325.90, 167,009.10 and 36,425.20 is: 54,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.90 : 167,009.10 = 36,425.20 : x
  2. Step 2: Convert to fraction form
    111,325.90/167,009.10 = 36,425.20/x
  3. Step 3: Cross multiply
    111,325.90x = 167,009.10 × 36,425.20
  4. Step 4: Simplify right side
    111,325.90x = 6,083,339,869.32
  5. Step 5: Solve for x
    x = 6,083,339,869.32/111,325.90
  6. Step 6: Final answer
    x = 54,644.43

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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.