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Finding the Fourth Proportional to 120,932.52, 166,711.08 and 84,520.92

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Solution

The fourth proportional to 120,932.52, 166,711.08 and 84,520.92 is: 116,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932.52 : 166,711.08 = 84,520.92 : x
  2. Step 2: Convert to fraction form
    120,932.52/166,711.08 = 84,520.92/x
  3. Step 3: Cross multiply
    120,932.52x = 166,711.08 × 84,520.92
  4. Step 4: Simplify right side
    120,932.52x = 14,090,573,855.79
  5. Step 5: Solve for x
    x = 14,090,573,855.79/120,932.52
  6. Step 6: Final answer
    x = 116,516.00

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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.