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Finding the Fourth Proportional to 133,766.70, 184,603.88 and 80,041.44

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Solution

The fourth proportional to 133,766.70, 184,603.88 and 80,041.44 is: 110,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,766.70 : 184,603.88 = 80,041.44 : x
  2. Step 2: Convert to fraction form
    133,766.70/184,603.88 = 80,041.44/x
  3. Step 3: Cross multiply
    133,766.70x = 184,603.88 × 80,041.44
  4. Step 4: Simplify right side
    133,766.70x = 14,775,960,384.79
  5. Step 5: Solve for x
    x = 14,775,960,384.79/133,766.70
  6. Step 6: Final answer
    x = 110,460.68

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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.