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Finding the Fourth Proportional to 234,185.84, 351,279 and 109,614.32

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Solution

The fourth proportional to 234,185.84, 351,279 and 109,614.32 is: 164,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,185.84 : 351,279 = 109,614.32 : x
  2. Step 2: Convert to fraction form
    234,185.84/351,279 = 109,614.32/x
  3. Step 3: Cross multiply
    234,185.84x = 351,279 × 109,614.32
  4. Step 4: Simplify right side
    234,185.84x = 38,505,208,715.28
  5. Step 5: Solve for x
    x = 38,505,208,715.28/234,185.84
  6. Step 6: Final answer
    x = 164,421.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.