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Finding the Fourth Proportional to 352,141.86, 528,021.64 and 159,910.74

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Solution

The fourth proportional to 352,141.86, 528,021.64 and 159,910.74 is: 239,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,141.86 : 528,021.64 = 159,910.74 : x
  2. Step 2: Convert to fraction form
    352,141.86/528,021.64 = 159,910.74/x
  3. Step 3: Cross multiply
    352,141.86x = 528,021.64 × 159,910.74
  4. Step 4: Simplify right side
    352,141.86x = 84,436,331,188.41
  5. Step 5: Solve for x
    x = 84,436,331,188.41/352,141.86
  6. Step 6: Final answer
    x = 239,779.31

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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.