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Finding the Fourth Proportional to 166,874.45, 250,210.76 and 65,551.20

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Solution

The fourth proportional to 166,874.45, 250,210.76 and 65,551.20 is: 98,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,874.45 : 250,210.76 = 65,551.20 : x
  2. Step 2: Convert to fraction form
    166,874.45/250,210.76 = 65,551.20/x
  3. Step 3: Cross multiply
    166,874.45x = 250,210.76 × 65,551.20
  4. Step 4: Simplify right side
    166,874.45x = 16,401,615,243.16
  5. Step 5: Solve for x
    x = 16,401,615,243.16/166,874.45
  6. Step 6: Final answer
    x = 98,287.16

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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.