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Finding the Fourth Proportional to 235,060.36, 324,388.93 and 127,634.92

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Solution

The fourth proportional to 235,060.36, 324,388.93 and 127,634.92 is: 176,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,060.36 : 324,388.93 = 127,634.92 : x
  2. Step 2: Convert to fraction form
    235,060.36/324,388.93 = 127,634.92/x
  3. Step 3: Cross multiply
    235,060.36x = 324,388.93 × 127,634.92
  4. Step 4: Simplify right side
    235,060.36x = 41,403,353,507.49
  5. Step 5: Solve for x
    x = 41,403,353,507.49/235,060.36
  6. Step 6: Final answer
    x = 176,139.25

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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.