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Finding the Fourth Proportional to 133,765.98, 184,612.44 and 76,414.38

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Solution

The fourth proportional to 133,765.98, 184,612.44 and 76,414.38 is: 105,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,765.98 : 184,612.44 = 76,414.38 : x
  2. Step 2: Convert to fraction form
    133,765.98/184,612.44 = 76,414.38/x
  3. Step 3: Cross multiply
    133,765.98x = 184,612.44 × 76,414.38
  4. Step 4: Simplify right side
    133,765.98x = 14,107,045,142.89
  5. Step 5: Solve for x
    x = 14,107,045,142.89/133,765.98
  6. Step 6: Final answer
    x = 105,460.63

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1.5x scale

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.