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Finding the Fourth Proportional to 235,009.92, 352,370.88 and 92,683.20

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Solution

The fourth proportional to 235,009.92, 352,370.88 and 92,683.20 is: 138,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,009.92 : 352,370.88 = 92,683.20 : x
  2. Step 2: Convert to fraction form
    235,009.92/352,370.88 = 92,683.20/x
  3. Step 3: Cross multiply
    235,009.92x = 352,370.88 × 92,683.20
  4. Step 4: Simplify right side
    235,009.92x = 32,658,860,745.22
  5. Step 5: Solve for x
    x = 32,658,860,745.22/235,009.92
  6. Step 6: Final answer
    x = 138,968.01

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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.