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Finding the Fourth Proportional to 220,265.58, 303,964.47 and 119,663.58

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Solution

The fourth proportional to 220,265.58, 303,964.47 and 119,663.58 is: 165,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,265.58 : 303,964.47 = 119,663.58 : x
  2. Step 2: Convert to fraction form
    220,265.58/303,964.47 = 119,663.58/x
  3. Step 3: Cross multiply
    220,265.58x = 303,964.47 × 119,663.58
  4. Step 4: Simplify right side
    220,265.58x = 36,373,476,673.00
  5. Step 5: Solve for x
    x = 36,373,476,673.00/220,265.58
  6. Step 6: Final answer
    x = 165,134.64

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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.