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Finding the Fourth Proportional to 317,075.07, 475,661.79 and 106,696.59

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Solution

The fourth proportional to 317,075.07, 475,661.79 and 106,696.59 is: 160,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,075.07 : 475,661.79 = 106,696.59 : x
  2. Step 2: Convert to fraction form
    317,075.07/475,661.79 = 106,696.59/x
  3. Step 3: Cross multiply
    317,075.07x = 475,661.79 × 106,696.59
  4. Step 4: Simplify right side
    317,075.07x = 50,751,490,986.30
  5. Step 5: Solve for x
    x = 50,751,490,986.30/317,075.07
  6. Step 6: Final answer
    x = 160,061.44

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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.