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Finding the Fourth Proportional to 140,263.58, 210,395.40 and 35,082.56

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Solution

The fourth proportional to 140,263.58, 210,395.40 and 35,082.56 is: 52,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,263.58 : 210,395.40 = 35,082.56 : x
  2. Step 2: Convert to fraction form
    140,263.58/210,395.40 = 35,082.56/x
  3. Step 3: Cross multiply
    140,263.58x = 210,395.40 × 35,082.56
  4. Step 4: Simplify right side
    140,263.58x = 7,381,209,244.22
  5. Step 5: Solve for x
    x = 7,381,209,244.22/140,263.58
  6. Step 6: Final answer
    x = 52,623.85

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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.