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Finding the Fourth Proportional to 224,476.60, 309,784.24 and 122,508.62

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Solution

The fourth proportional to 224,476.60, 309,784.24 and 122,508.62 is: 169,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,476.60 : 309,784.24 = 122,508.62 : x
  2. Step 2: Convert to fraction form
    224,476.60/309,784.24 = 122,508.62/x
  3. Step 3: Cross multiply
    224,476.60x = 309,784.24 × 122,508.62
  4. Step 4: Simplify right side
    224,476.60x = 37,951,239,740.15
  5. Step 5: Solve for x
    x = 37,951,239,740.15/224,476.60
  6. Step 6: Final answer
    x = 169,065.46

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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.