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Finding the Fourth Proportional to 120,360.74, 166,094.01 and 69,373.67

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Solution

The fourth proportional to 120,360.74, 166,094.01 and 69,373.67 is: 95,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,360.74 : 166,094.01 = 69,373.67 : x
  2. Step 2: Convert to fraction form
    120,360.74/166,094.01 = 69,373.67/x
  3. Step 3: Cross multiply
    120,360.74x = 166,094.01 × 69,373.67
  4. Step 4: Simplify right side
    120,360.74x = 11,522,550,208.25
  5. Step 5: Solve for x
    x = 11,522,550,208.25/120,360.74
  6. Step 6: Final answer
    x = 95,733.46

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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.