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Finding the Fourth Proportional to 232,957.15, 320,687.51 and 172,413.70

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Solution

The fourth proportional to 232,957.15, 320,687.51 and 172,413.70 is: 237,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,957.15 : 320,687.51 = 172,413.70 : x
  2. Step 2: Convert to fraction form
    232,957.15/320,687.51 = 172,413.70/x
  3. Step 3: Cross multiply
    232,957.15x = 320,687.51 × 172,413.70
  4. Step 4: Simplify right side
    232,957.15x = 55,290,918,479.10
  5. Step 5: Solve for x
    x = 55,290,918,479.10/232,957.15
  6. Step 6: Final answer
    x = 237,343.73

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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.