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Finding the Fourth Proportional to 162,976.24, 224,906.92 and 91,356.24

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Solution

The fourth proportional to 162,976.24, 224,906.92 and 91,356.24 is: 126,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,976.24 : 224,906.92 = 91,356.24 : x
  2. Step 2: Convert to fraction form
    162,976.24/224,906.92 = 91,356.24/x
  3. Step 3: Cross multiply
    162,976.24x = 224,906.92 × 91,356.24
  4. Step 4: Simplify right side
    162,976.24x = 20,546,650,561.18
  5. Step 5: Solve for x
    x = 20,546,650,561.18/162,976.24
  6. Step 6: Final answer
    x = 126,071.45

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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.