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Finding the Fourth Proportional to 230,583.42, 345,885.73 and 70,647.89

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Solution

The fourth proportional to 230,583.42, 345,885.73 and 70,647.89 is: 105,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,583.42 : 345,885.73 = 70,647.89 : x
  2. Step 2: Convert to fraction form
    230,583.42/345,885.73 = 70,647.89/x
  3. Step 3: Cross multiply
    230,583.42x = 345,885.73 × 70,647.89
  4. Step 4: Simplify right side
    230,583.42x = 24,436,095,099.56
  5. Step 5: Solve for x
    x = 24,436,095,099.56/230,583.42
  6. Step 6: Final answer
    x = 105,975.07

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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.