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Finding the Fourth Proportional to 220,021.52, 303,630.48 and 119,419.52

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Solution

The fourth proportional to 220,021.52, 303,630.48 and 119,419.52 is: 164,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,021.52 : 303,630.48 = 119,419.52 : x
  2. Step 2: Convert to fraction form
    220,021.52/303,630.48 = 119,419.52/x
  3. Step 3: Cross multiply
    220,021.52x = 303,630.48 × 119,419.52
  4. Step 4: Simplify right side
    220,021.52x = 36,259,406,178.97
  5. Step 5: Solve for x
    x = 36,259,406,178.97/220,021.52
  6. Step 6: Final answer
    x = 164,799.36

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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.