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Finding the Fourth Proportional to 167,705.10, 251,569.80 and 101,001.60

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Solution

The fourth proportional to 167,705.10, 251,569.80 and 101,001.60 is: 151,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,705.10 : 251,569.80 = 101,001.60 : x
  2. Step 2: Convert to fraction form
    167,705.10/251,569.80 = 101,001.60/x
  3. Step 3: Cross multiply
    167,705.10x = 251,569.80 × 101,001.60
  4. Step 4: Simplify right side
    167,705.10x = 25,408,952,311.68
  5. Step 5: Solve for x
    x = 25,408,952,311.68/167,705.10
  6. Step 6: Final answer
    x = 151,509.72

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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.