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Finding the Fourth Proportional to 133,645, 184,428.42 and 73,214.92

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Solution

The fourth proportional to 133,645, 184,428.42 and 73,214.92 is: 101,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,645 : 184,428.42 = 73,214.92 : x
  2. Step 2: Convert to fraction form
    133,645/184,428.42 = 73,214.92/x
  3. Step 3: Cross multiply
    133,645x = 184,428.42 × 73,214.92
  4. Step 4: Simplify right side
    133,645x = 13,502,912,016.03
  5. Step 5: Solve for x
    x = 13,502,912,016.03/133,645
  6. Step 6: Final answer
    x = 101,035.67

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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.