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Finding the Fourth Proportional to 133,553.60, 184,318.60 and 85,157.24

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Solution

The fourth proportional to 133,553.60, 184,318.60 and 85,157.24 is: 117,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,553.60 : 184,318.60 = 85,157.24 : x
  2. Step 2: Convert to fraction form
    133,553.60/184,318.60 = 85,157.24/x
  3. Step 3: Cross multiply
    133,553.60x = 184,318.60 × 85,157.24
  4. Step 4: Simplify right side
    133,553.60x = 15,696,063,256.66
  5. Step 5: Solve for x
    x = 15,696,063,256.66/133,553.60
  6. Step 6: Final answer
    x = 117,526.32

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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.