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Finding the Fourth Proportional to 352,872.88, 529,011.76 and 153,042.76

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Solution

The fourth proportional to 352,872.88, 529,011.76 and 153,042.76 is: 229,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,872.88 : 529,011.76 = 153,042.76 : x
  2. Step 2: Convert to fraction form
    352,872.88/529,011.76 = 153,042.76/x
  3. Step 3: Cross multiply
    352,872.88x = 529,011.76 × 153,042.76
  4. Step 4: Simplify right side
    352,872.88x = 80,961,419,069.03
  5. Step 5: Solve for x
    x = 80,961,419,069.03/352,872.88
  6. Step 6: Final answer
    x = 229,435.09

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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.