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Finding the Fourth Proportional to 167,999.60, 252,193.80 and 96,978.80

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Solution

The fourth proportional to 167,999.60, 252,193.80 and 96,978.80 is: 145,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,999.60 : 252,193.80 = 96,978.80 : x
  2. Step 2: Convert to fraction form
    167,999.60/252,193.80 = 96,978.80/x
  3. Step 3: Cross multiply
    167,999.60x = 252,193.80 × 96,978.80
  4. Step 4: Simplify right side
    167,999.60x = 24,457,452,091.44
  5. Step 5: Solve for x
    x = 24,457,452,091.44/167,999.60
  6. Step 6: Final answer
    x = 145,580.42

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1.5x scale

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.