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Finding the Fourth Proportional to 247,632.80, 371,546.40 and 97,847.60

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Solution

The fourth proportional to 247,632.80, 371,546.40 and 97,847.60 is: 146,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,632.80 : 371,546.40 = 97,847.60 : x
  2. Step 2: Convert to fraction form
    247,632.80/371,546.40 = 97,847.60/x
  3. Step 3: Cross multiply
    247,632.80x = 371,546.40 × 97,847.60
  4. Step 4: Simplify right side
    247,632.80x = 36,354,923,528.64
  5. Step 5: Solve for x
    x = 36,354,923,528.64/247,632.80
  6. Step 6: Final answer
    x = 146,809.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.