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Finding the Fourth Proportional to 220,262.76, 303,964.74 and 119,661.48

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Solution

The fourth proportional to 220,262.76, 303,964.74 and 119,661.48 is: 165,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,262.76 : 303,964.74 = 119,661.48 : x
  2. Step 2: Convert to fraction form
    220,262.76/303,964.74 = 119,661.48/x
  3. Step 3: Cross multiply
    220,262.76x = 303,964.74 × 119,661.48
  4. Step 4: Simplify right side
    220,262.76x = 36,372,870,656.22
  5. Step 5: Solve for x
    x = 36,372,870,656.22/220,262.76
  6. Step 6: Final answer
    x = 165,134.00

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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.