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Finding the Fourth Proportional to 158,041.44, 236,749.50 and 83,049.48

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Solution

The fourth proportional to 158,041.44, 236,749.50 and 83,049.48 is: 124,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,041.44 : 236,749.50 = 83,049.48 : x
  2. Step 2: Convert to fraction form
    158,041.44/236,749.50 = 83,049.48/x
  3. Step 3: Cross multiply
    158,041.44x = 236,749.50 × 83,049.48
  4. Step 4: Simplify right side
    158,041.44x = 19,661,922,865.26
  5. Step 5: Solve for x
    x = 19,661,922,865.26/158,041.44
  6. Step 6: Final answer
    x = 124,409.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.