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Finding the Fourth Proportional to 133,920.42, 184,812.45 and 73,496.69

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Solution

The fourth proportional to 133,920.42, 184,812.45 and 73,496.69 is: 101,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,920.42 : 184,812.45 = 73,496.69 : x
  2. Step 2: Convert to fraction form
    133,920.42/184,812.45 = 73,496.69/x
  3. Step 3: Cross multiply
    133,920.42x = 184,812.45 × 73,496.69
  4. Step 4: Simplify right side
    133,920.42x = 13,583,102,237.99
  5. Step 5: Solve for x
    x = 13,583,102,237.99/133,920.42
  6. Step 6: Final answer
    x = 101,426.67

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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.