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Finding the Fourth Proportional to 317,065.06, 475,646.80 and 106,686.59

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Solution

The fourth proportional to 317,065.06, 475,646.80 and 106,686.59 is: 160,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,065.06 : 475,646.80 = 106,686.59 : x
  2. Step 2: Convert to fraction form
    317,065.06/475,646.80 = 106,686.59/x
  3. Step 3: Cross multiply
    317,065.06x = 475,646.80 × 106,686.59
  4. Step 4: Simplify right side
    317,065.06x = 50,745,135,136.41
  5. Step 5: Solve for x
    x = 50,745,135,136.41/317,065.06
  6. Step 6: Final answer
    x = 160,046.44

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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.