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Finding the Fourth Proportional to 134,060.77, 184,935.42 and 85,611.77

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Solution

The fourth proportional to 134,060.77, 184,935.42 and 85,611.77 is: 118,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,060.77 : 184,935.42 = 85,611.77 : x
  2. Step 2: Convert to fraction form
    134,060.77/184,935.42 = 85,611.77/x
  3. Step 3: Cross multiply
    134,060.77x = 184,935.42 × 85,611.77
  4. Step 4: Simplify right side
    134,060.77x = 15,832,647,717.22
  5. Step 5: Solve for x
    x = 15,832,647,717.22/134,060.77
  6. Step 6: Final answer
    x = 118,100.53

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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.