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Finding the Fourth Proportional to 216,634.92, 324,071.10 and 183,146.28

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Solution

The fourth proportional to 216,634.92, 324,071.10 and 183,146.28 is: 273,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,634.92 : 324,071.10 = 183,146.28 : x
  2. Step 2: Convert to fraction form
    216,634.92/324,071.10 = 183,146.28/x
  3. Step 3: Cross multiply
    216,634.92x = 324,071.10 × 183,146.28
  4. Step 4: Simplify right side
    216,634.92x = 59,352,416,420.51
  5. Step 5: Solve for x
    x = 59,352,416,420.51/216,634.92
  6. Step 6: Final answer
    x = 273,974.37

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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.