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Finding the Fourth Proportional to 266,745.35, 368,103.43 and 145,886.27

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Solution

The fourth proportional to 266,745.35, 368,103.43 and 145,886.27 is: 201,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,745.35 : 368,103.43 = 145,886.27 : x
  2. Step 2: Convert to fraction form
    266,745.35/368,103.43 = 145,886.27/x
  3. Step 3: Cross multiply
    266,745.35x = 368,103.43 × 145,886.27
  4. Step 4: Simplify right side
    266,745.35x = 53,701,234,171.67
  5. Step 5: Solve for x
    x = 53,701,234,171.67/266,745.35
  6. Step 6: Final answer
    x = 201,320.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.