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Finding the Fourth Proportional to 73,694.35, 101,775.40 and 50,783.74

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Solution

The fourth proportional to 73,694.35, 101,775.40 and 50,783.74 is: 70,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.35 : 101,775.40 = 50,783.74 : x
  2. Step 2: Convert to fraction form
    73,694.35/101,775.40 = 50,783.74/x
  3. Step 3: Cross multiply
    73,694.35x = 101,775.40 × 50,783.74
  4. Step 4: Simplify right side
    73,694.35x = 5,168,535,452.00
  5. Step 5: Solve for x
    x = 5,168,535,452.00/73,694.35
  6. Step 6: Final answer
    x = 70,134.76

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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.