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Finding the Fourth Proportional to 224,616.40, 309,858.84 and 133,908.48

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Solution

The fourth proportional to 224,616.40, 309,858.84 and 133,908.48 is: 184,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,616.40 : 309,858.84 = 133,908.48 : x
  2. Step 2: Convert to fraction form
    224,616.40/309,858.84 = 133,908.48/x
  3. Step 3: Cross multiply
    224,616.40x = 309,858.84 × 133,908.48
  4. Step 4: Simplify right side
    224,616.40x = 41,492,726,278.96
  5. Step 5: Solve for x
    x = 41,492,726,278.96/224,616.40
  6. Step 6: Final answer
    x = 184,727.06

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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.