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Finding the Fourth Proportional to 266,541.80, 367,817.63 and 145,682.10

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Solution

The fourth proportional to 266,541.80, 367,817.63 and 145,682.10 is: 201,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,541.80 : 367,817.63 = 145,682.10 : x
  2. Step 2: Convert to fraction form
    266,541.80/367,817.63 = 145,682.10/x
  3. Step 3: Cross multiply
    266,541.80x = 367,817.63 × 145,682.10
  4. Step 4: Simplify right side
    266,541.80x = 53,584,444,027.01
  5. Step 5: Solve for x
    x = 53,584,444,027.01/266,541.80
  6. Step 6: Final answer
    x = 201,035.80

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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.