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Finding the Fourth Proportional to 131,455.60, 197,010.60 and 116,594.80

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Solution

The fourth proportional to 131,455.60, 197,010.60 and 116,594.80 is: 174,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.60 : 197,010.60 = 116,594.80 : x
  2. Step 2: Convert to fraction form
    131,455.60/197,010.60 = 116,594.80/x
  3. Step 3: Cross multiply
    131,455.60x = 197,010.60 × 116,594.80
  4. Step 4: Simplify right side
    131,455.60x = 22,970,411,504.88
  5. Step 5: Solve for x
    x = 22,970,411,504.88/131,455.60
  6. Step 6: Final answer
    x = 174,738.93

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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.