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Finding the Fourth Proportional to 220,186.69, 303,857.73 and 119,584.69

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Solution

The fourth proportional to 220,186.69, 303,857.73 and 119,584.69 is: 165,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,186.69 : 303,857.73 = 119,584.69 : x
  2. Step 2: Convert to fraction form
    220,186.69/303,857.73 = 119,584.69/x
  3. Step 3: Cross multiply
    220,186.69x = 303,857.73 × 119,584.69
  4. Step 4: Simplify right side
    220,186.69x = 36,336,731,686.51
  5. Step 5: Solve for x
    x = 36,336,731,686.51/220,186.69
  6. Step 6: Final answer
    x = 165,026.92

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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.