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Finding the Fourth Proportional to 266,961.81, 368,407.44 and 146,103.02

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Solution

The fourth proportional to 266,961.81, 368,407.44 and 146,103.02 is: 201,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,961.81 : 368,407.44 = 146,103.02 : x
  2. Step 2: Convert to fraction form
    266,961.81/368,407.44 = 146,103.02/x
  3. Step 3: Cross multiply
    266,961.81x = 368,407.44 × 146,103.02
  4. Step 4: Simplify right side
    266,961.81x = 53,825,440,495.49
  5. Step 5: Solve for x
    x = 53,825,440,495.49/266,961.81
  6. Step 6: Final answer
    x = 201,622.25

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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.