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Finding the Fourth Proportional to 352,847.76, 529,270.83 and 153,142.26

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Solution

The fourth proportional to 352,847.76, 529,270.83 and 153,142.26 is: 229,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,847.76 : 529,270.83 = 153,142.26 : x
  2. Step 2: Convert to fraction form
    352,847.76/529,270.83 = 153,142.26/x
  3. Step 3: Cross multiply
    352,847.76x = 529,270.83 × 153,142.26
  4. Step 4: Simplify right side
    352,847.76x = 81,053,731,058.28
  5. Step 5: Solve for x
    x = 81,053,731,058.28/352,847.76
  6. Step 6: Final answer
    x = 229,713.04

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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.