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Finding the Fourth Proportional to 133,437.67, 184,142.43 and 73,007.62

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Solution

The fourth proportional to 133,437.67, 184,142.43 and 73,007.62 is: 100,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,437.67 : 184,142.43 = 73,007.62 : x
  2. Step 2: Convert to fraction form
    133,437.67/184,142.43 = 73,007.62/x
  3. Step 3: Cross multiply
    133,437.67x = 184,142.43 × 73,007.62
  4. Step 4: Simplify right side
    133,437.67x = 13,443,800,555.32
  5. Step 5: Solve for x
    x = 13,443,800,555.32/133,437.67
  6. Step 6: Final answer
    x = 100,749.67

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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.