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Finding the Fourth Proportional to 266,961.65, 368,407.22 and 146,102.87

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Solution

The fourth proportional to 266,961.65, 368,407.22 and 146,102.87 is: 201,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,961.65 : 368,407.22 = 146,102.87 : x
  2. Step 2: Convert to fraction form
    266,961.65/368,407.22 = 146,102.87/x
  3. Step 3: Cross multiply
    266,961.65x = 368,407.22 × 146,102.87
  4. Step 4: Simplify right side
    266,961.65x = 53,825,350,328.69
  5. Step 5: Solve for x
    x = 53,825,350,328.69/266,961.65
  6. Step 6: Final answer
    x = 201,622.03

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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.