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Finding the Fourth Proportional to 133,707.12, 184,524.12 and 74,091.12

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Solution

The fourth proportional to 133,707.12, 184,524.12 and 74,091.12 is: 102,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,707.12 : 184,524.12 = 74,091.12 : x
  2. Step 2: Convert to fraction form
    133,707.12/184,524.12 = 74,091.12/x
  3. Step 3: Cross multiply
    133,707.12x = 184,524.12 × 74,091.12
  4. Step 4: Simplify right side
    133,707.12x = 13,671,598,717.81
  5. Step 5: Solve for x
    x = 13,671,598,717.81/133,707.12
  6. Step 6: Final answer
    x = 102,250.34

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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.