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Finding the Fourth Proportional to 266,810.45, 368,201.34 and 145,951.73

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Solution

The fourth proportional to 266,810.45, 368,201.34 and 145,951.73 is: 201,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,810.45 : 368,201.34 = 145,951.73 : x
  2. Step 2: Convert to fraction form
    266,810.45/368,201.34 = 145,951.73/x
  3. Step 3: Cross multiply
    266,810.45x = 368,201.34 × 145,951.73
  4. Step 4: Simplify right side
    266,810.45x = 53,739,623,807.32
  5. Step 5: Solve for x
    x = 53,739,623,807.32/266,810.45
  6. Step 6: Final answer
    x = 201,414.99

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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.