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Finding the Fourth Proportional to 149,100.96, 205,743.95 and 88,659.93

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Solution

The fourth proportional to 149,100.96, 205,743.95 and 88,659.93 is: 122,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,100.96 : 205,743.95 = 88,659.93 : x
  2. Step 2: Convert to fraction form
    149,100.96/205,743.95 = 88,659.93/x
  3. Step 3: Cross multiply
    149,100.96x = 205,743.95 × 88,659.93
  4. Step 4: Simplify right side
    149,100.96x = 18,241,244,865.64
  5. Step 5: Solve for x
    x = 18,241,244,865.64/149,100.96
  6. Step 6: Final answer
    x = 122,341.56

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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.