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Finding the Fourth Proportional to 266,674.88, 400,012.71 and 108,903.34

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Solution

The fourth proportional to 266,674.88, 400,012.71 and 108,903.34 is: 163,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,674.88 : 400,012.71 = 108,903.34 : x
  2. Step 2: Convert to fraction form
    266,674.88/400,012.71 = 108,903.34/x
  3. Step 3: Cross multiply
    266,674.88x = 400,012.71 × 108,903.34
  4. Step 4: Simplify right side
    266,674.88x = 43,562,718,615.59
  5. Step 5: Solve for x
    x = 43,562,718,615.59/266,674.88
  6. Step 6: Final answer
    x = 163,355.16

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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.