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Finding the Fourth Proportional to 220,394.08, 304,143.78 and 119,792.08

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Solution

The fourth proportional to 220,394.08, 304,143.78 and 119,792.08 is: 165,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,394.08 : 304,143.78 = 119,792.08 : x
  2. Step 2: Convert to fraction form
    220,394.08/304,143.78 = 119,792.08/x
  3. Step 3: Cross multiply
    220,394.08x = 304,143.78 × 119,792.08
  4. Step 4: Simplify right side
    220,394.08x = 36,434,016,025.26
  5. Step 5: Solve for x
    x = 36,434,016,025.26/220,394.08
  6. Step 6: Final answer
    x = 165,313.04

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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.