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Finding the Fourth Proportional to 174,430, 261,684 and 63,622

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Solution

The fourth proportional to 174,430, 261,684 and 63,622 is: 95,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,430 : 261,684 = 63,622 : x
  2. Step 2: Convert to fraction form
    174,430/261,684 = 63,622/x
  3. Step 3: Cross multiply
    174,430x = 261,684 × 63,622
  4. Step 4: Simplify right side
    174,430x = 16,648,859,448
  5. Step 5: Solve for x
    x = 16,648,859,448/174,430
  6. Step 6: Final answer
    x = 95,447.22

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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.