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Finding the Fourth Proportional to 230,521.92, 345,770.64 and 70,597.80

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Solution

The fourth proportional to 230,521.92, 345,770.64 and 70,597.80 is: 105,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,521.92 : 345,770.64 = 70,597.80 : x
  2. Step 2: Convert to fraction form
    230,521.92/345,770.64 = 70,597.80/x
  3. Step 3: Cross multiply
    230,521.92x = 345,770.64 × 70,597.80
  4. Step 4: Simplify right side
    230,521.92x = 24,410,646,488.59
  5. Step 5: Solve for x
    x = 24,410,646,488.59/230,521.92
  6. Step 6: Final answer
    x = 105,892.95

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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.