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Finding the Fourth Proportional to 67,335.30, 101,112.30 and 45,246.60

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Solution

The fourth proportional to 67,335.30, 101,112.30 and 45,246.60 is: 67,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.30 : 101,112.30 = 45,246.60 : x
  2. Step 2: Convert to fraction form
    67,335.30/101,112.30 = 45,246.60/x
  3. Step 3: Cross multiply
    67,335.30x = 101,112.30 × 45,246.60
  4. Step 4: Simplify right side
    67,335.30x = 4,574,987,793.18
  5. Step 5: Solve for x
    x = 4,574,987,793.18/67,335.30
  6. Step 6: Final answer
    x = 67,943.38

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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.