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Finding the Fourth Proportional to 133,373.52, 184,122.32 and 103,090.41

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Solution

The fourth proportional to 133,373.52, 184,122.32 and 103,090.41 is: 142,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,373.52 : 184,122.32 = 103,090.41 : x
  2. Step 2: Convert to fraction form
    133,373.52/184,122.32 = 103,090.41/x
  3. Step 3: Cross multiply
    133,373.52x = 184,122.32 × 103,090.41
  4. Step 4: Simplify right side
    133,373.52x = 18,981,244,943.50
  5. Step 5: Solve for x
    x = 18,981,244,943.50/133,373.52
  6. Step 6: Final answer
    x = 142,316.44

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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.