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Finding the Fourth Proportional to 235,413.70, 352,602.15 and 164,911.30

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Solution

The fourth proportional to 235,413.70, 352,602.15 and 164,911.30 is: 247,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,413.70 : 352,602.15 = 164,911.30 : x
  2. Step 2: Convert to fraction form
    235,413.70/352,602.15 = 164,911.30/x
  3. Step 3: Cross multiply
    235,413.70x = 352,602.15 × 164,911.30
  4. Step 4: Simplify right side
    235,413.70x = 58,148,078,939.30
  5. Step 5: Solve for x
    x = 58,148,078,939.30/235,413.70
  6. Step 6: Final answer
    x = 247,003.80

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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.