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Finding the Fourth Proportional to 163,755.92, 225,980.07 and 91,158.32

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Solution

The fourth proportional to 163,755.92, 225,980.07 and 91,158.32 is: 125,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,755.92 : 225,980.07 = 91,158.32 : x
  2. Step 2: Convert to fraction form
    163,755.92/225,980.07 = 91,158.32/x
  3. Step 3: Cross multiply
    163,755.92x = 225,980.07 × 91,158.32
  4. Step 4: Simplify right side
    163,755.92x = 20,599,963,534.68
  5. Step 5: Solve for x
    x = 20,599,963,534.68/163,755.92
  6. Step 6: Final answer
    x = 125,796.76

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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.