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Finding the Fourth Proportional to 317,230.24, 475,655.27 and 100,995.52

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Solution

The fourth proportional to 317,230.24, 475,655.27 and 100,995.52 is: 151,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,230.24 : 475,655.27 = 100,995.52 : x
  2. Step 2: Convert to fraction form
    317,230.24/475,655.27 = 100,995.52/x
  3. Step 3: Cross multiply
    317,230.24x = 475,655.27 × 100,995.52
  4. Step 4: Simplify right side
    317,230.24x = 48,039,048,451.14
  5. Step 5: Solve for x
    x = 48,039,048,451.14/317,230.24
  6. Step 6: Final answer
    x = 151,432.75

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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.