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Finding the Fourth Proportional to 266,165.06, 367,313.34 and 145,311.44

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Solution

The fourth proportional to 266,165.06, 367,313.34 and 145,311.44 is: 200,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,165.06 : 367,313.34 = 145,311.44 : x
  2. Step 2: Convert to fraction form
    266,165.06/367,313.34 = 145,311.44/x
  3. Step 3: Cross multiply
    266,165.06x = 367,313.34 × 145,311.44
  4. Step 4: Simplify right side
    266,165.06x = 53,374,830,366.61
  5. Step 5: Solve for x
    x = 53,374,830,366.61/266,165.06
  6. Step 6: Final answer
    x = 200,532.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.