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Finding the Fourth Proportional to 220,004.28, 303,605.88 and 119,402.28

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Solution

The fourth proportional to 220,004.28, 303,605.88 and 119,402.28 is: 164,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,004.28 : 303,605.88 = 119,402.28 : x
  2. Step 2: Convert to fraction form
    220,004.28/303,605.88 = 119,402.28/x
  3. Step 3: Cross multiply
    220,004.28x = 303,605.88 × 119,402.28
  4. Step 4: Simplify right side
    220,004.28x = 36,251,234,293.41
  5. Step 5: Solve for x
    x = 36,251,234,293.41/220,004.28
  6. Step 6: Final answer
    x = 164,775.13

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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.