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Finding the Fourth Proportional to 185,908.32, 256,550.22 and 101,025.72

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Solution

The fourth proportional to 185,908.32, 256,550.22 and 101,025.72 is: 139,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,908.32 : 256,550.22 = 101,025.72 : x
  2. Step 2: Convert to fraction form
    185,908.32/256,550.22 = 101,025.72/x
  3. Step 3: Cross multiply
    185,908.32x = 256,550.22 × 101,025.72
  4. Step 4: Simplify right side
    185,908.32x = 25,918,170,691.66
  5. Step 5: Solve for x
    x = 25,918,170,691.66/185,908.32
  6. Step 6: Final answer
    x = 139,413.72

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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.