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Finding the Fourth Proportional to 317,099.16, 475,697.88 and 106,720.68

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Solution

The fourth proportional to 317,099.16, 475,697.88 and 106,720.68 is: 160,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,099.16 : 475,697.88 = 106,720.68 : x
  2. Step 2: Convert to fraction form
    317,099.16/475,697.88 = 106,720.68/x
  3. Step 3: Cross multiply
    317,099.16x = 475,697.88 × 106,720.68
  4. Step 4: Simplify right side
    317,099.16x = 50,766,801,228.16
  5. Step 5: Solve for x
    x = 50,766,801,228.16/317,099.16
  6. Step 6: Final answer
    x = 160,097.56

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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.