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Finding the Fourth Proportional to 178,013.12, 267,063.36 and 53,354

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Solution

The fourth proportional to 178,013.12, 267,063.36 and 53,354 is: 80,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,013.12 : 267,063.36 = 53,354 : x
  2. Step 2: Convert to fraction form
    178,013.12/267,063.36 = 53,354/x
  3. Step 3: Cross multiply
    178,013.12x = 267,063.36 × 53,354
  4. Step 4: Simplify right side
    178,013.12x = 14,248,898,509.44
  5. Step 5: Solve for x
    x = 14,248,898,509.44/178,013.12
  6. Step 6: Final answer
    x = 80,044.09

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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.