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Finding the Fourth Proportional to 352,293.60, 527,835.60 and 164,920.80

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Solution

The fourth proportional to 352,293.60, 527,835.60 and 164,920.80 is: 247,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,293.60 : 527,835.60 = 164,920.80 : x
  2. Step 2: Convert to fraction form
    352,293.60/527,835.60 = 164,920.80/x
  3. Step 3: Cross multiply
    352,293.60x = 527,835.60 × 164,920.80
  4. Step 4: Simplify right side
    352,293.60x = 87,051,069,420.48
  5. Step 5: Solve for x
    x = 87,051,069,420.48/352,293.60
  6. Step 6: Final answer
    x = 247,098.07

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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.