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Finding the Fourth Proportional to 220,411.62, 304,166.61 and 119,809.62

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Solution

The fourth proportional to 220,411.62, 304,166.61 and 119,809.62 is: 165,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,411.62 : 304,166.61 = 119,809.62 : x
  2. Step 2: Convert to fraction form
    220,411.62/304,166.61 = 119,809.62/x
  3. Step 3: Cross multiply
    220,411.62x = 304,166.61 × 119,809.62
  4. Step 4: Simplify right side
    220,411.62x = 36,442,085,960.79
  5. Step 5: Solve for x
    x = 36,442,085,960.79/220,411.62
  6. Step 6: Final answer
    x = 165,336.50

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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.