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Finding the Fourth Proportional to 266,675.39, 400,013.46 and 108,903.84

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Solution

The fourth proportional to 266,675.39, 400,013.46 and 108,903.84 is: 163,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,675.39 : 400,013.46 = 108,903.84 : x
  2. Step 2: Convert to fraction form
    266,675.39/400,013.46 = 108,903.84/x
  3. Step 3: Cross multiply
    266,675.39x = 400,013.46 × 108,903.84
  4. Step 4: Simplify right side
    266,675.39x = 43,562,999,845.62
  5. Step 5: Solve for x
    x = 43,562,999,845.62/266,675.39
  6. Step 6: Final answer
    x = 163,355.91

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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.