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Finding the Fourth Proportional to 192,061.70, 287,746.95 and 164,413.70

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Solution

The fourth proportional to 192,061.70, 287,746.95 and 164,413.70 is: 246,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,061.70 : 287,746.95 = 164,413.70 : x
  2. Step 2: Convert to fraction form
    192,061.70/287,746.95 = 164,413.70/x
  3. Step 3: Cross multiply
    192,061.70x = 287,746.95 × 164,413.70
  4. Step 4: Simplify right side
    192,061.70x = 47,309,540,713.22
  5. Step 5: Solve for x
    x = 47,309,540,713.22/192,061.70
  6. Step 6: Final answer
    x = 246,324.70

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1.5x scale

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.