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Finding the Fourth Proportional to 224,597.57, 309,942.53 and 122,622.15

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Solution

The fourth proportional to 224,597.57, 309,942.53 and 122,622.15 is: 169,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,597.57 : 309,942.53 = 122,622.15 : x
  2. Step 2: Convert to fraction form
    224,597.57/309,942.53 = 122,622.15/x
  3. Step 3: Cross multiply
    224,597.57x = 309,942.53 × 122,622.15
  4. Step 4: Simplify right side
    224,597.57x = 38,005,819,405.04
  5. Step 5: Solve for x
    x = 38,005,819,405.04/224,597.57
  6. Step 6: Final answer
    x = 169,217.41

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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.