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Finding the Fourth Proportional to 171,887.32, 237,218.80 and 95,413.60

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Solution

The fourth proportional to 171,887.32, 237,218.80 and 95,413.60 is: 131,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,887.32 : 237,218.80 = 95,413.60 : x
  2. Step 2: Convert to fraction form
    171,887.32/237,218.80 = 95,413.60/x
  3. Step 3: Cross multiply
    171,887.32x = 237,218.80 × 95,413.60
  4. Step 4: Simplify right side
    171,887.32x = 22,633,899,695.68
  5. Step 5: Solve for x
    x = 22,633,899,695.68/171,887.32
  6. Step 6: Final answer
    x = 131,678.70

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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.