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Finding the Fourth Proportional to 235,975.68, 325,679.76 and 134,026.56

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Solution

The fourth proportional to 235,975.68, 325,679.76 and 134,026.56 is: 184,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,975.68 : 325,679.76 = 134,026.56 : x
  2. Step 2: Convert to fraction form
    235,975.68/325,679.76 = 134,026.56/x
  3. Step 3: Cross multiply
    235,975.68x = 325,679.76 × 134,026.56
  4. Step 4: Simplify right side
    235,975.68x = 43,649,737,894.43
  5. Step 5: Solve for x
    x = 43,649,737,894.43/235,975.68
  6. Step 6: Final answer
    x = 184,975.58

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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.