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Finding the Fourth Proportional to 220,158.84, 303,818.94 and 119,556.12

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Solution

The fourth proportional to 220,158.84, 303,818.94 and 119,556.12 is: 164,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,158.84 : 303,818.94 = 119,556.12 : x
  2. Step 2: Convert to fraction form
    220,158.84/303,818.94 = 119,556.12/x
  3. Step 3: Cross multiply
    220,158.84x = 303,818.94 × 119,556.12
  4. Step 4: Simplify right side
    220,158.84x = 36,323,413,648.91
  5. Step 5: Solve for x
    x = 36,323,413,648.91/220,158.84
  6. Step 6: Final answer
    x = 164,987.30

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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.