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Finding the Fourth Proportional to 352,285.60, 527,823.60 and 164,912.80

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Solution

The fourth proportional to 352,285.60, 527,823.60 and 164,912.80 is: 247,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,285.60 : 527,823.60 = 164,912.80 : x
  2. Step 2: Convert to fraction form
    352,285.60/527,823.60 = 164,912.80/x
  3. Step 3: Cross multiply
    352,285.60x = 527,823.60 × 164,912.80
  4. Step 4: Simplify right side
    352,285.60x = 87,044,867,782.08
  5. Step 5: Solve for x
    x = 87,044,867,782.08/352,285.60
  6. Step 6: Final answer
    x = 247,086.08

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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.