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Finding the Fourth Proportional to 352,156.10, 528,234.15 and 162,616.10

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Solution

The fourth proportional to 352,156.10, 528,234.15 and 162,616.10 is: 243,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,156.10 : 528,234.15 = 162,616.10 : x
  2. Step 2: Convert to fraction form
    352,156.10/528,234.15 = 162,616.10/x
  3. Step 3: Cross multiply
    352,156.10x = 528,234.15 × 162,616.10
  4. Step 4: Simplify right side
    352,156.10x = 85,899,377,359.82
  5. Step 5: Solve for x
    x = 85,899,377,359.82/352,156.10
  6. Step 6: Final answer
    x = 243,924.15

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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.