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Finding the Fourth Proportional to 133,376.52, 184,126.46 and 103,093.42

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Solution

The fourth proportional to 133,376.52, 184,126.46 and 103,093.42 is: 142,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,376.52 : 184,126.46 = 103,093.42 : x
  2. Step 2: Convert to fraction form
    133,376.52/184,126.46 = 103,093.42/x
  3. Step 3: Cross multiply
    133,376.52x = 184,126.46 × 103,093.42
  4. Step 4: Simplify right side
    133,376.52x = 18,982,226,473.89
  5. Step 5: Solve for x
    x = 18,982,226,473.89/133,376.52
  6. Step 6: Final answer
    x = 142,320.60

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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.