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Finding the Fourth Proportional to 224,336.25, 309,573.09 and 133,690.14

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Solution

The fourth proportional to 224,336.25, 309,573.09 and 133,690.14 is: 184,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,336.25 : 309,573.09 = 133,690.14 : x
  2. Step 2: Convert to fraction form
    224,336.25/309,573.09 = 133,690.14/x
  3. Step 3: Cross multiply
    224,336.25x = 309,573.09 × 133,690.14
  4. Step 4: Simplify right side
    224,336.25x = 41,386,869,742.33
  5. Step 5: Solve for x
    x = 41,386,869,742.33/224,336.25
  6. Step 6: Final answer
    x = 184,485.88

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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.