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Finding the Fourth Proportional to 168,166.98, 251,969.67 and 118,157.58

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Solution

The fourth proportional to 168,166.98, 251,969.67 and 118,157.58 is: 177,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,166.98 : 251,969.67 = 118,157.58 : x
  2. Step 2: Convert to fraction form
    168,166.98/251,969.67 = 118,157.58/x
  3. Step 3: Cross multiply
    168,166.98x = 251,969.67 × 118,157.58
  4. Step 4: Simplify right side
    168,166.98x = 29,772,126,440.60
  5. Step 5: Solve for x
    x = 29,772,126,440.60/168,166.98
  6. Step 6: Final answer
    x = 177,039.07

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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.