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Finding the Fourth Proportional to 266,701.08, 368,028.60 and 151,976.08

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Solution

The fourth proportional to 266,701.08, 368,028.60 and 151,976.08 is: 209,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,701.08 : 368,028.60 = 151,976.08 : x
  2. Step 2: Convert to fraction form
    266,701.08/368,028.60 = 151,976.08/x
  3. Step 3: Cross multiply
    266,701.08x = 368,028.60 × 151,976.08
  4. Step 4: Simplify right side
    266,701.08x = 55,931,541,775.85
  5. Step 5: Solve for x
    x = 55,931,541,775.85/266,701.08
  6. Step 6: Final answer
    x = 209,716.21

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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.