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Finding the Fourth Proportional to 247,481.19, 370,968.12 and 97,660.89

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Solution

The fourth proportional to 247,481.19, 370,968.12 and 97,660.89 is: 146,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,481.19 : 370,968.12 = 97,660.89 : x
  2. Step 2: Convert to fraction form
    247,481.19/370,968.12 = 97,660.89/x
  3. Step 3: Cross multiply
    247,481.19x = 370,968.12 × 97,660.89
  4. Step 4: Simplify right side
    247,481.19x = 36,229,076,760.83
  5. Step 5: Solve for x
    x = 36,229,076,760.83/247,481.19
  6. Step 6: Final answer
    x = 146,391.23

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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.