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Finding the Fourth Proportional to 352,937.02, 529,504.36 and 142,722.58

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Solution

The fourth proportional to 352,937.02, 529,504.36 and 142,722.58 is: 214,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,937.02 : 529,504.36 = 142,722.58 : x
  2. Step 2: Convert to fraction form
    352,937.02/529,504.36 = 142,722.58/x
  3. Step 3: Cross multiply
    352,937.02x = 529,504.36 × 142,722.58
  4. Step 4: Simplify right side
    352,937.02x = 75,572,228,380.45
  5. Step 5: Solve for x
    x = 75,572,228,380.45/352,937.02
  6. Step 6: Final answer
    x = 214,123.84

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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.