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Finding the Fourth Proportional to 247,616.32, 341,717.52 and 145,649.20

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Solution

The fourth proportional to 247,616.32, 341,717.52 and 145,649.20 is: 201,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,616.32 : 341,717.52 = 145,649.20 : x
  2. Step 2: Convert to fraction form
    247,616.32/341,717.52 = 145,649.20/x
  3. Step 3: Cross multiply
    247,616.32x = 341,717.52 × 145,649.20
  4. Step 4: Simplify right side
    247,616.32x = 49,770,883,413.98
  5. Step 5: Solve for x
    x = 49,770,883,413.98/247,616.32
  6. Step 6: Final answer
    x = 201,000.01

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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.