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Finding the Fourth Proportional to 120,652.26, 166,500.24 and 70,360.98

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Solution

The fourth proportional to 120,652.26, 166,500.24 and 70,360.98 is: 97,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,652.26 : 166,500.24 = 70,360.98 : x
  2. Step 2: Convert to fraction form
    120,652.26/166,500.24 = 70,360.98/x
  3. Step 3: Cross multiply
    120,652.26x = 166,500.24 × 70,360.98
  4. Step 4: Simplify right side
    120,652.26x = 11,715,120,056.64
  5. Step 5: Solve for x
    x = 11,715,120,056.64/120,652.26
  6. Step 6: Final answer
    x = 97,098.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.