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Finding the Fourth Proportional to 158,660.06, 238,223.37 and 65,348.06

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Solution

The fourth proportional to 158,660.06, 238,223.37 and 65,348.06 is: 98,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,660.06 : 238,223.37 = 65,348.06 : x
  2. Step 2: Convert to fraction form
    158,660.06/238,223.37 = 65,348.06/x
  3. Step 3: Cross multiply
    158,660.06x = 238,223.37 × 65,348.06
  4. Step 4: Simplify right side
    158,660.06x = 15,567,435,076.16
  5. Step 5: Solve for x
    x = 15,567,435,076.16/158,660.06
  6. Step 6: Final answer
    x = 98,118.17

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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.