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Finding the Fourth Proportional to 111,593.20, 167,260.20 and 45,000.40

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Solution

The fourth proportional to 111,593.20, 167,260.20 and 45,000.40 is: 67,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,593.20 : 167,260.20 = 45,000.40 : x
  2. Step 2: Convert to fraction form
    111,593.20/167,260.20 = 45,000.40/x
  3. Step 3: Cross multiply
    111,593.20x = 167,260.20 × 45,000.40
  4. Step 4: Simplify right side
    111,593.20x = 7,526,775,904.08
  5. Step 5: Solve for x
    x = 7,526,775,904.08/111,593.20
  6. Step 6: Final answer
    x = 67,448.34

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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.