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Finding the Fourth Proportional to 67,693.96, 101,575.52 and 45,220.01

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Solution

The fourth proportional to 67,693.96, 101,575.52 and 45,220.01 is: 67,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,693.96 : 101,575.52 = 45,220.01 : x
  2. Step 2: Convert to fraction form
    67,693.96/101,575.52 = 45,220.01/x
  3. Step 3: Cross multiply
    67,693.96x = 101,575.52 × 45,220.01
  4. Step 4: Simplify right side
    67,693.96x = 4,593,245,465.75
  5. Step 5: Solve for x
    x = 4,593,245,465.75/67,693.96
  6. Step 6: Final answer
    x = 67,853.11

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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.