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Finding the Fourth Proportional to 120,641.00, 166,466.54 and 66,925.85

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Solution

The fourth proportional to 120,641.00, 166,466.54 and 66,925.85 is: 92,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,641.00 : 166,466.54 = 66,925.85 : x
  2. Step 2: Convert to fraction form
    120,641.00/166,466.54 = 66,925.85/x
  3. Step 3: Cross multiply
    120,641.00x = 166,466.54 × 66,925.85
  4. Step 4: Simplify right side
    120,641.00x = 11,140,914,021.04
  5. Step 5: Solve for x
    x = 11,140,914,021.04/120,641.00
  6. Step 6: Final answer
    x = 92,347.66

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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.