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Finding the Fourth Proportional to 224,029.60, 309,168.36 and 122,063.15

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Solution

The fourth proportional to 224,029.60, 309,168.36 and 122,063.15 is: 168,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,029.60 : 309,168.36 = 122,063.15 : x
  2. Step 2: Convert to fraction form
    224,029.60/309,168.36 = 122,063.15/x
  3. Step 3: Cross multiply
    224,029.60x = 309,168.36 × 122,063.15
  4. Step 4: Simplify right side
    224,029.60x = 37,738,063,901.93
  5. Step 5: Solve for x
    x = 37,738,063,901.93/224,029.60
  6. Step 6: Final answer
    x = 168,451.24

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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.