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Finding the Fourth Proportional to 140,863.94, 194,650.02 and 102,557.00

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Solution

The fourth proportional to 140,863.94, 194,650.02 and 102,557.00 is: 141,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,863.94 : 194,650.02 = 102,557.00 : x
  2. Step 2: Convert to fraction form
    140,863.94/194,650.02 = 102,557.00/x
  3. Step 3: Cross multiply
    140,863.94x = 194,650.02 × 102,557.00
  4. Step 4: Simplify right side
    140,863.94x = 19,962,722,587.77
  5. Step 5: Solve for x
    x = 19,962,722,587.77/140,863.94
  6. Step 6: Final answer
    x = 141,716.34

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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.