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Finding the Fourth Proportional to 73,189.92, 100,964.88 and 46,287.12

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Solution

The fourth proportional to 73,189.92, 100,964.88 and 46,287.12 is: 63,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,189.92 : 100,964.88 = 46,287.12 : x
  2. Step 2: Convert to fraction form
    73,189.92/100,964.88 = 46,287.12/x
  3. Step 3: Cross multiply
    73,189.92x = 100,964.88 × 46,287.12
  4. Step 4: Simplify right side
    73,189.92x = 4,673,373,516.35
  5. Step 5: Solve for x
    x = 4,673,373,516.35/73,189.92
  6. Step 6: Final answer
    x = 63,852.69

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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.