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Finding the Fourth Proportional to 133,350.33, 184,040.31 and 87,448.59

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Solution

The fourth proportional to 133,350.33, 184,040.31 and 87,448.59 is: 120,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,350.33 : 184,040.31 = 87,448.59 : x
  2. Step 2: Convert to fraction form
    133,350.33/184,040.31 = 87,448.59/x
  3. Step 3: Cross multiply
    133,350.33x = 184,040.31 × 87,448.59
  4. Step 4: Simplify right side
    133,350.33x = 16,094,065,612.66
  5. Step 5: Solve for x
    x = 16,094,065,612.66/133,350.33
  6. Step 6: Final answer
    x = 120,690.11

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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.