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Finding the Fourth Proportional to 133,351.98, 184,023.93 and 75,994.71

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Solution

The fourth proportional to 133,351.98, 184,023.93 and 75,994.71 is: 104,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,351.98 : 184,023.93 = 75,994.71 : x
  2. Step 2: Convert to fraction form
    133,351.98/184,023.93 = 75,994.71/x
  3. Step 3: Cross multiply
    133,351.98x = 184,023.93 × 75,994.71
  4. Step 4: Simplify right side
    133,351.98x = 13,984,845,193.41
  5. Step 5: Solve for x
    x = 13,984,845,193.41/133,351.98
  6. Step 6: Final answer
    x = 104,871.67

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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.