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Finding the Fourth Proportional to 242,221.92, 333,919.82 and 170,378.97

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Solution

The fourth proportional to 242,221.92, 333,919.82 and 170,378.97 is: 234,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,221.92 : 333,919.82 = 170,378.97 : x
  2. Step 2: Convert to fraction form
    242,221.92/333,919.82 = 170,378.97/x
  3. Step 3: Cross multiply
    242,221.92x = 333,919.82 × 170,378.97
  4. Step 4: Simplify right side
    242,221.92x = 56,892,915,420.13
  5. Step 5: Solve for x
    x = 56,892,915,420.13/242,221.92
  6. Step 6: Final answer
    x = 234,879.30

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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.