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Finding the Fourth Proportional to 73,591.92, 101,659.32 and 70,860.96

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Solution

The fourth proportional to 73,591.92, 101,659.32 and 70,860.96 is: 97,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,591.92 : 101,659.32 = 70,860.96 : x
  2. Step 2: Convert to fraction form
    73,591.92/101,659.32 = 70,860.96/x
  3. Step 3: Cross multiply
    73,591.92x = 101,659.32 × 70,860.96
  4. Step 4: Simplify right side
    73,591.92x = 7,203,677,008.15
  5. Step 5: Solve for x
    x = 7,203,677,008.15/73,591.92
  6. Step 6: Final answer
    x = 97,886.79

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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.