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Finding the Fourth Proportional to 220,458.08, 304,230.48 and 119,856.80

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Solution

The fourth proportional to 220,458.08, 304,230.48 and 119,856.80 is: 165,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,458.08 : 304,230.48 = 119,856.80 : x
  2. Step 2: Convert to fraction form
    220,458.08/304,230.48 = 119,856.80/x
  3. Step 3: Cross multiply
    220,458.08x = 304,230.48 × 119,856.80
  4. Step 4: Simplify right side
    220,458.08x = 36,464,091,795.26
  5. Step 5: Solve for x
    x = 36,464,091,795.26/220,458.08
  6. Step 6: Final answer
    x = 165,401.48

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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.