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Finding the Fourth Proportional to 67,378.80, 101,019.60 and 44,018.40

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Solution

The fourth proportional to 67,378.80, 101,019.60 and 44,018.40 is: 65,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378.80 : 101,019.60 = 44,018.40 : x
  2. Step 2: Convert to fraction form
    67,378.80/101,019.60 = 44,018.40/x
  3. Step 3: Cross multiply
    67,378.80x = 101,019.60 × 44,018.40
  4. Step 4: Simplify right side
    67,378.80x = 4,446,721,160.64
  5. Step 5: Solve for x
    x = 4,446,721,160.64/67,378.80
  6. Step 6: Final answer
    x = 65,995.85

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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.