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Finding the Fourth Proportional to 133,628.99, 184,401.45 and 73,199.90

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Solution

The fourth proportional to 133,628.99, 184,401.45 and 73,199.90 is: 101,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,628.99 : 184,401.45 = 73,199.90 : x
  2. Step 2: Convert to fraction form
    133,628.99/184,401.45 = 73,199.90/x
  3. Step 3: Cross multiply
    133,628.99x = 184,401.45 × 73,199.90
  4. Step 4: Simplify right side
    133,628.99x = 13,498,167,699.86
  5. Step 5: Solve for x
    x = 13,498,167,699.86/133,628.99
  6. Step 6: Final answer
    x = 101,012.27

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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.