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Finding the Fourth Proportional to 133,625.80, 200,114.70 and 71,158.60

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Solution

The fourth proportional to 133,625.80, 200,114.70 and 71,158.60 is: 106,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,625.80 : 200,114.70 = 71,158.60 : x
  2. Step 2: Convert to fraction form
    133,625.80/200,114.70 = 71,158.60/x
  3. Step 3: Cross multiply
    133,625.80x = 200,114.70 × 71,158.60
  4. Step 4: Simplify right side
    133,625.80x = 14,239,881,891.42
  5. Step 5: Solve for x
    x = 14,239,881,891.42/133,625.80
  6. Step 6: Final answer
    x = 106,565.36

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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.