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Finding the Fourth Proportional to 67,403.80, 101,105.70 and 48,741.40

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Solution

The fourth proportional to 67,403.80, 101,105.70 and 48,741.40 is: 73,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.80 : 101,105.70 = 48,741.40 : x
  2. Step 2: Convert to fraction form
    67,403.80/101,105.70 = 48,741.40/x
  3. Step 3: Cross multiply
    67,403.80x = 101,105.70 × 48,741.40
  4. Step 4: Simplify right side
    67,403.80x = 4,928,033,365.98
  5. Step 5: Solve for x
    x = 4,928,033,365.98/67,403.80
  6. Step 6: Final answer
    x = 73,112.10

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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.