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Finding the Fourth Proportional to 224,334.05, 309,573.43 and 133,643.05

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Solution

The fourth proportional to 224,334.05, 309,573.43 and 133,643.05 is: 184,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,334.05 : 309,573.43 = 133,643.05 : x
  2. Step 2: Convert to fraction form
    224,334.05/309,573.43 = 133,643.05/x
  3. Step 3: Cross multiply
    224,334.05x = 309,573.43 × 133,643.05
  4. Step 4: Simplify right side
    224,334.05x = 41,372,336,276.12
  5. Step 5: Solve for x
    x = 41,372,336,276.12/224,334.05
  6. Step 6: Final answer
    x = 184,422.91

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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.