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Finding the Fourth Proportional to 353,251.26, 529,872.30 and 87,014.12

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Solution

The fourth proportional to 353,251.26, 529,872.30 and 87,014.12 is: 130,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,251.26 : 529,872.30 = 87,014.12 : x
  2. Step 2: Convert to fraction form
    353,251.26/529,872.30 = 87,014.12/x
  3. Step 3: Cross multiply
    353,251.26x = 529,872.30 × 87,014.12
  4. Step 4: Simplify right side
    353,251.26x = 46,106,369,247.51
  5. Step 5: Solve for x
    x = 46,106,369,247.51/353,251.26
  6. Step 6: Final answer
    x = 130,520.04

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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.