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Finding the Fourth Proportional to 227,145.68, 340,718.52 and 79,367.12

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Solution

The fourth proportional to 227,145.68, 340,718.52 and 79,367.12 is: 119,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,145.68 : 340,718.52 = 79,367.12 : x
  2. Step 2: Convert to fraction form
    227,145.68/340,718.52 = 79,367.12/x
  3. Step 3: Cross multiply
    227,145.68x = 340,718.52 × 79,367.12
  4. Step 4: Simplify right side
    227,145.68x = 27,041,847,663.06
  5. Step 5: Solve for x
    x = 27,041,847,663.06/227,145.68
  6. Step 6: Final answer
    x = 119,050.68

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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.