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Finding the Fourth Proportional to 133,757.63, 184,424.12 and 115,575.50

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Solution

The fourth proportional to 133,757.63, 184,424.12 and 115,575.50 is: 159,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,757.63 : 184,424.12 = 115,575.50 : x
  2. Step 2: Convert to fraction form
    133,757.63/184,424.12 = 115,575.50/x
  3. Step 3: Cross multiply
    133,757.63x = 184,424.12 × 115,575.50
  4. Step 4: Simplify right side
    133,757.63x = 21,314,909,247.88
  5. Step 5: Solve for x
    x = 21,314,909,247.88/133,757.63
  6. Step 6: Final answer
    x = 159,354.71

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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.