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Finding the Fourth Proportional to 230,083.56, 317,529.72 and 139,447.44

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Solution

The fourth proportional to 230,083.56, 317,529.72 and 139,447.44 is: 192,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,083.56 : 317,529.72 = 139,447.44 : x
  2. Step 2: Convert to fraction form
    230,083.56/317,529.72 = 139,447.44/x
  3. Step 3: Cross multiply
    230,083.56x = 317,529.72 × 139,447.44
  4. Step 4: Simplify right side
    230,083.56x = 44,278,706,577.92
  5. Step 5: Solve for x
    x = 44,278,706,577.92/230,083.56
  6. Step 6: Final answer
    x = 192,446.20

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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.