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Finding the Fourth Proportional to 174,420.80, 261,650.40 and 63,636.80

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Solution

The fourth proportional to 174,420.80, 261,650.40 and 63,636.80 is: 95,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,420.80 : 261,650.40 = 63,636.80 : x
  2. Step 2: Convert to fraction form
    174,420.80/261,650.40 = 63,636.80/x
  3. Step 3: Cross multiply
    174,420.80x = 261,650.40 × 63,636.80
  4. Step 4: Simplify right side
    174,420.80x = 16,650,594,174.72
  5. Step 5: Solve for x
    x = 16,650,594,174.72/174,420.80
  6. Step 6: Final answer
    x = 95,462.21

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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.