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Finding the Fourth Proportional to 132,073.70, 197,760.63 and 69,612.98

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Solution

The fourth proportional to 132,073.70, 197,760.63 and 69,612.98 is: 104,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,073.70 : 197,760.63 = 69,612.98 : x
  2. Step 2: Convert to fraction form
    132,073.70/197,760.63 = 69,612.98/x
  3. Step 3: Cross multiply
    132,073.70x = 197,760.63 × 69,612.98
  4. Step 4: Simplify right side
    132,073.70x = 13,766,706,780.98
  5. Step 5: Solve for x
    x = 13,766,706,780.98/132,073.70
  6. Step 6: Final answer
    x = 104,235.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.