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Finding the Fourth Proportional to 73,867.75, 101,937.54 and 40,333.75

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Solution

The fourth proportional to 73,867.75, 101,937.54 and 40,333.75 is: 55,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,867.75 : 101,937.54 = 40,333.75 : x
  2. Step 2: Convert to fraction form
    73,867.75/101,937.54 = 40,333.75/x
  3. Step 3: Cross multiply
    73,867.75x = 101,937.54 × 40,333.75
  4. Step 4: Simplify right side
    73,867.75x = 4,111,523,253.98
  5. Step 5: Solve for x
    x = 4,111,523,253.98/73,867.75
  6. Step 6: Final answer
    x = 55,660.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.