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Finding the Fourth Proportional to 253,176.12, 379,428.84 and 134,592.12

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Solution

The fourth proportional to 253,176.12, 379,428.84 and 134,592.12 is: 201,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,176.12 : 379,428.84 = 134,592.12 : x
  2. Step 2: Convert to fraction form
    253,176.12/379,428.84 = 134,592.12/x
  3. Step 3: Cross multiply
    253,176.12x = 379,428.84 × 134,592.12
  4. Step 4: Simplify right side
    253,176.12x = 51,068,131,964.74
  5. Step 5: Solve for x
    x = 51,068,131,964.74/253,176.12
  6. Step 6: Final answer
    x = 201,709.91

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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.