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Finding the Fourth Proportional to 220,140.76, 303,794.64 and 119,538.76

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Solution

The fourth proportional to 220,140.76, 303,794.64 and 119,538.76 is: 164,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140.76 : 303,794.64 = 119,538.76 : x
  2. Step 2: Convert to fraction form
    220,140.76/303,794.64 = 119,538.76/x
  3. Step 3: Cross multiply
    220,140.76x = 303,794.64 × 119,538.76
  4. Step 4: Simplify right side
    220,140.76x = 36,315,234,560.25
  5. Step 5: Solve for x
    x = 36,315,234,560.25/220,140.76
  6. Step 6: Final answer
    x = 164,963.70

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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.