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Finding the Fourth Proportional to 235,071.44, 352,610.04 and 68,862.80

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Solution

The fourth proportional to 235,071.44, 352,610.04 and 68,862.80 is: 103,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,071.44 : 352,610.04 = 68,862.80 : x
  2. Step 2: Convert to fraction form
    235,071.44/352,610.04 = 68,862.80/x
  3. Step 3: Cross multiply
    235,071.44x = 352,610.04 × 68,862.80
  4. Step 4: Simplify right side
    235,071.44x = 24,281,714,662.51
  5. Step 5: Solve for x
    x = 24,281,714,662.51/235,071.44
  6. Step 6: Final answer
    x = 103,295.04

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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.