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Finding the Fourth Proportional to 181,527.40, 272,096.70 and 81,670.60

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Solution

The fourth proportional to 181,527.40, 272,096.70 and 81,670.60 is: 122,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,527.40 : 272,096.70 = 81,670.60 : x
  2. Step 2: Convert to fraction form
    181,527.40/272,096.70 = 81,670.60/x
  3. Step 3: Cross multiply
    181,527.40x = 272,096.70 × 81,670.60
  4. Step 4: Simplify right side
    181,527.40x = 22,222,300,747.02
  5. Step 5: Solve for x
    x = 22,222,300,747.02/181,527.40
  6. Step 6: Final answer
    x = 122,418.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.