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Finding the Fourth Proportional to 120,596.59, 166,433.52 and 66,898.91

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Solution

The fourth proportional to 120,596.59, 166,433.52 and 66,898.91 is: 92,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,596.59 : 166,433.52 = 66,898.91 : x
  2. Step 2: Convert to fraction form
    120,596.59/166,433.52 = 66,898.91/x
  3. Step 3: Cross multiply
    120,596.59x = 166,433.52 × 66,898.91
  4. Step 4: Simplify right side
    120,596.59x = 11,134,220,492.13
  5. Step 5: Solve for x
    x = 11,134,220,492.13/120,596.59
  6. Step 6: Final answer
    x = 92,326.16

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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.