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Finding the Fourth Proportional to 352,956.54, 529,137.41 and 153,126.57

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Solution

The fourth proportional to 352,956.54, 529,137.41 and 153,126.57 is: 229,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,956.54 : 529,137.41 = 153,126.57 : x
  2. Step 2: Convert to fraction form
    352,956.54/529,137.41 = 153,126.57/x
  3. Step 3: Cross multiply
    352,956.54x = 529,137.41 × 153,126.57
  4. Step 4: Simplify right side
    352,956.54x = 81,024,995,886.35
  5. Step 5: Solve for x
    x = 81,024,995,886.35/352,956.54
  6. Step 6: Final answer
    x = 229,560.83

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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.