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Finding the Fourth Proportional to 111,807.80, 167,582.10 and 45,204.20

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Solution

The fourth proportional to 111,807.80, 167,582.10 and 45,204.20 is: 67,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,807.80 : 167,582.10 = 45,204.20 : x
  2. Step 2: Convert to fraction form
    111,807.80/167,582.10 = 45,204.20/x
  3. Step 3: Cross multiply
    111,807.80x = 167,582.10 × 45,204.20
  4. Step 4: Simplify right side
    111,807.80x = 7,575,414,764.82
  5. Step 5: Solve for x
    x = 7,575,414,764.82/111,807.80
  6. Step 6: Final answer
    x = 67,753.90

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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.