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Finding the Fourth Proportional to 230,065.65, 345,601.62 and 163,930.77

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Solution

The fourth proportional to 230,065.65, 345,601.62 and 163,930.77 is: 246,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,065.65 : 345,601.62 = 163,930.77 : x
  2. Step 2: Convert to fraction form
    230,065.65/345,601.62 = 163,930.77/x
  3. Step 3: Cross multiply
    230,065.65x = 345,601.62 × 163,930.77
  4. Step 4: Simplify right side
    230,065.65x = 56,654,739,679.85
  5. Step 5: Solve for x
    x = 56,654,739,679.85/230,065.65
  6. Step 6: Final answer
    x = 246,254.67

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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.