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Finding the Fourth Proportional to 175,074.30, 262,611.45 and 140,082.30

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Solution

The fourth proportional to 175,074.30, 262,611.45 and 140,082.30 is: 210,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,074.30 : 262,611.45 = 140,082.30 : x
  2. Step 2: Convert to fraction form
    175,074.30/262,611.45 = 140,082.30/x
  3. Step 3: Cross multiply
    175,074.30x = 262,611.45 × 140,082.30
  4. Step 4: Simplify right side
    175,074.30x = 36,787,215,922.34
  5. Step 5: Solve for x
    x = 36,787,215,922.34/175,074.30
  6. Step 6: Final answer
    x = 210,123.45

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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.