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Finding the Fourth Proportional to 266,755.36, 368,108.88 and 147,500.32

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Solution

The fourth proportional to 266,755.36, 368,108.88 and 147,500.32 is: 203,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,755.36 : 368,108.88 = 147,500.32 : x
  2. Step 2: Convert to fraction form
    266,755.36/368,108.88 = 147,500.32/x
  3. Step 3: Cross multiply
    266,755.36x = 368,108.88 × 147,500.32
  4. Step 4: Simplify right side
    266,755.36x = 54,296,177,594.84
  5. Step 5: Solve for x
    x = 54,296,177,594.84/266,755.36
  6. Step 6: Final answer
    x = 203,542.97

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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.