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Finding the Fourth Proportional to 266,095.80, 399,435.30 and 166,368.60

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Solution

The fourth proportional to 266,095.80, 399,435.30 and 166,368.60 is: 249,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,095.80 : 399,435.30 = 166,368.60 : x
  2. Step 2: Convert to fraction form
    266,095.80/399,435.30 = 166,368.60/x
  3. Step 3: Cross multiply
    266,095.80x = 399,435.30 × 166,368.60
  4. Step 4: Simplify right side
    266,095.80x = 66,453,491,651.58
  5. Step 5: Solve for x
    x = 66,453,491,651.58/266,095.80
  6. Step 6: Final answer
    x = 249,735.21

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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.