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Finding the Fourth Proportional to 86,504.67, 129,829.91 and 33,951.06

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Solution

The fourth proportional to 86,504.67, 129,829.91 and 33,951.06 is: 50,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.67 : 129,829.91 = 33,951.06 : x
  2. Step 2: Convert to fraction form
    86,504.67/129,829.91 = 33,951.06/x
  3. Step 3: Cross multiply
    86,504.67x = 129,829.91 × 33,951.06
  4. Step 4: Simplify right side
    86,504.67x = 4,407,862,894.45
  5. Step 5: Solve for x
    x = 4,407,862,894.45/86,504.67
  6. Step 6: Final answer
    x = 50,955.20

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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.