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Finding the Fourth Proportional to 174,762.60, 261,755.10 and 143,658.60

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Solution

The fourth proportional to 174,762.60, 261,755.10 and 143,658.60 is: 215,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,762.60 : 261,755.10 = 143,658.60 : x
  2. Step 2: Convert to fraction form
    174,762.60/261,755.10 = 143,658.60/x
  3. Step 3: Cross multiply
    174,762.60x = 261,755.10 × 143,658.60
  4. Step 4: Simplify right side
    174,762.60x = 37,603,371,208.86
  5. Step 5: Solve for x
    x = 37,603,371,208.86/174,762.60
  6. Step 6: Final answer
    x = 215,168.30

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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.