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Finding the Fourth Proportional to 172,413.54, 237,929.13 and 96,960.42

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Solution

The fourth proportional to 172,413.54, 237,929.13 and 96,960.42 is: 133,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413.54 : 237,929.13 = 96,960.42 : x
  2. Step 2: Convert to fraction form
    172,413.54/237,929.13 = 96,960.42/x
  3. Step 3: Cross multiply
    172,413.54x = 237,929.13 × 96,960.42
  4. Step 4: Simplify right side
    172,413.54x = 23,069,708,375.03
  5. Step 5: Solve for x
    x = 23,069,708,375.03/172,413.54
  6. Step 6: Final answer
    x = 133,804.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.