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Finding the Fourth Proportional to 236,489.52, 326,362.74 and 134,529.76

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Solution

The fourth proportional to 236,489.52, 326,362.74 and 134,529.76 is: 185,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,489.52 : 326,362.74 = 134,529.76 : x
  2. Step 2: Convert to fraction form
    236,489.52/326,362.74 = 134,529.76/x
  3. Step 3: Cross multiply
    236,489.52x = 326,362.74 × 134,529.76
  4. Step 4: Simplify right side
    236,489.52x = 43,905,499,453.33
  5. Step 5: Solve for x
    x = 43,905,499,453.33/236,489.52
  6. Step 6: Final answer
    x = 185,655.16

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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.