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Finding the Fourth Proportional to 230,519.92, 345,767.64 and 70,595.80

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Solution

The fourth proportional to 230,519.92, 345,767.64 and 70,595.80 is: 105,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,519.92 : 345,767.64 = 70,595.80 : x
  2. Step 2: Convert to fraction form
    230,519.92/345,767.64 = 70,595.80/x
  3. Step 3: Cross multiply
    230,519.92x = 345,767.64 × 70,595.80
  4. Step 4: Simplify right side
    230,519.92x = 24,409,743,159.91
  5. Step 5: Solve for x
    x = 24,409,743,159.91/230,519.92
  6. Step 6: Final answer
    x = 105,889.95

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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.