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Finding the Fourth Proportional to 351,252.84, 526,879.26 and 85,013.36

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Solution

The fourth proportional to 351,252.84, 526,879.26 and 85,013.36 is: 127,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,252.84 : 526,879.26 = 85,013.36 : x
  2. Step 2: Convert to fraction form
    351,252.84/526,879.26 = 85,013.36/x
  3. Step 3: Cross multiply
    351,252.84x = 526,879.26 × 85,013.36
  4. Step 4: Simplify right side
    351,252.84x = 44,791,776,206.91
  5. Step 5: Solve for x
    x = 44,791,776,206.91/351,252.84
  6. Step 6: Final answer
    x = 127,520.04

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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.