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Finding the Fourth Proportional to 133,684.56, 184,484.64 and 74,068.56

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Solution

The fourth proportional to 133,684.56, 184,484.64 and 74,068.56 is: 102,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,684.56 : 184,484.64 = 74,068.56 : x
  2. Step 2: Convert to fraction form
    133,684.56/184,484.64 = 74,068.56/x
  3. Step 3: Cross multiply
    133,684.56x = 184,484.64 × 74,068.56
  4. Step 4: Simplify right side
    133,684.56x = 13,664,511,626.92
  5. Step 5: Solve for x
    x = 13,664,511,626.92/133,684.56
  6. Step 6: Final answer
    x = 102,214.58

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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.