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Finding the Fourth Proportional to 220,309.32, 304,026.30 and 119,707.32

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Solution

The fourth proportional to 220,309.32, 304,026.30 and 119,707.32 is: 165,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,309.32 : 304,026.30 = 119,707.32 : x
  2. Step 2: Convert to fraction form
    220,309.32/304,026.30 = 119,707.32/x
  3. Step 3: Cross multiply
    220,309.32x = 304,026.30 × 119,707.32
  4. Step 4: Simplify right side
    220,309.32x = 36,394,173,582.52
  5. Step 5: Solve for x
    x = 36,394,173,582.52/220,309.32
  6. Step 6: Final answer
    x = 165,195.80

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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.