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Finding the Fourth Proportional to 158,506.32, 218,745.48 and 94,831.80

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Solution

The fourth proportional to 158,506.32, 218,745.48 and 94,831.80 is: 130,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,506.32 : 218,745.48 = 94,831.80 : x
  2. Step 2: Convert to fraction form
    158,506.32/218,745.48 = 94,831.80/x
  3. Step 3: Cross multiply
    158,506.32x = 218,745.48 × 94,831.80
  4. Step 4: Simplify right side
    158,506.32x = 20,744,027,610.26
  5. Step 5: Solve for x
    x = 20,744,027,610.26/158,506.32
  6. Step 6: Final answer
    x = 130,871.93

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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.