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Finding the Fourth Proportional to 224,020.80, 336,031.20 and 112,046.40

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Solution

The fourth proportional to 224,020.80, 336,031.20 and 112,046.40 is: 168,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,020.80 : 336,031.20 = 112,046.40 : x
  2. Step 2: Convert to fraction form
    224,020.80/336,031.20 = 112,046.40/x
  3. Step 3: Cross multiply
    224,020.80x = 336,031.20 × 112,046.40
  4. Step 4: Simplify right side
    224,020.80x = 37,651,086,247.68
  5. Step 5: Solve for x
    x = 37,651,086,247.68/224,020.80
  6. Step 6: Final answer
    x = 168,069.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.