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Finding the Fourth Proportional to 167,703.10, 251,566.80 and 100,999.60

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Solution

The fourth proportional to 167,703.10, 251,566.80 and 100,999.60 is: 151,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,703.10 : 251,566.80 = 100,999.60 : x
  2. Step 2: Convert to fraction form
    167,703.10/251,566.80 = 100,999.60/x
  3. Step 3: Cross multiply
    167,703.10x = 251,566.80 × 100,999.60
  4. Step 4: Simplify right side
    167,703.10x = 25,408,146,173.28
  5. Step 5: Solve for x
    x = 25,408,146,173.28/167,703.10
  6. Step 6: Final answer
    x = 151,506.72

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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.