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Finding the Fourth Proportional to 163,003.62, 224,944.84 and 91,383.66

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Solution

The fourth proportional to 163,003.62, 224,944.84 and 91,383.66 is: 126,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003.62 : 224,944.84 = 91,383.66 : x
  2. Step 2: Convert to fraction form
    163,003.62/224,944.84 = 91,383.66/x
  3. Step 3: Cross multiply
    163,003.62x = 224,944.84 × 91,383.66
  4. Step 4: Simplify right side
    163,003.62x = 20,556,282,777.31
  5. Step 5: Solve for x
    x = 20,556,282,777.31/163,003.62
  6. Step 6: Final answer
    x = 126,109.36

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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.