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Finding the Fourth Proportional to 317,172.52, 475,758.78 and 106,792.84

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Solution

The fourth proportional to 317,172.52, 475,758.78 and 106,792.84 is: 160,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,172.52 : 475,758.78 = 106,792.84 : x
  2. Step 2: Convert to fraction form
    317,172.52/475,758.78 = 106,792.84/x
  3. Step 3: Cross multiply
    317,172.52x = 475,758.78 × 106,792.84
  4. Step 4: Simplify right side
    317,172.52x = 50,807,631,271.14
  5. Step 5: Solve for x
    x = 50,807,631,271.14/317,172.52
  6. Step 6: Final answer
    x = 160,189.26

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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.