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Finding the Fourth Proportional to 120,472.02, 166,246.88 and 69,486.84

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Solution

The fourth proportional to 120,472.02, 166,246.88 and 69,486.84 is: 95,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,472.02 : 166,246.88 = 69,486.84 : x
  2. Step 2: Convert to fraction form
    120,472.02/166,246.88 = 69,486.84/x
  3. Step 3: Cross multiply
    120,472.02x = 166,246.88 × 69,486.84
  4. Step 4: Simplify right side
    120,472.02x = 11,551,970,351.06
  5. Step 5: Solve for x
    x = 11,551,970,351.06/120,472.02
  6. Step 6: Final answer
    x = 95,889.24

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1.5x scale

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.