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Finding the Fourth Proportional to 133,616.64, 184,302.36 and 85,930.32

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Solution

The fourth proportional to 133,616.64, 184,302.36 and 85,930.32 is: 118,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,616.64 : 184,302.36 = 85,930.32 : x
  2. Step 2: Convert to fraction form
    133,616.64/184,302.36 = 85,930.32/x
  3. Step 3: Cross multiply
    133,616.64x = 184,302.36 × 85,930.32
  4. Step 4: Simplify right side
    133,616.64x = 15,837,160,771.56
  5. Step 5: Solve for x
    x = 15,837,160,771.56/133,616.64
  6. Step 6: Final answer
    x = 118,526.86

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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.