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Finding the Fourth Proportional to 167,445.90, 251,164.80 and 100,835.55

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Solution

The fourth proportional to 167,445.90, 251,164.80 and 100,835.55 is: 151,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,445.90 : 251,164.80 = 100,835.55 : x
  2. Step 2: Convert to fraction form
    167,445.90/251,164.80 = 100,835.55/x
  3. Step 3: Cross multiply
    167,445.90x = 251,164.80 × 100,835.55
  4. Step 4: Simplify right side
    167,445.90x = 25,326,340,748.64
  5. Step 5: Solve for x
    x = 25,326,340,748.64/167,445.90
  6. Step 6: Final answer
    x = 151,250.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.