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Finding the Fourth Proportional to 78,804.80, 118,208.88 and 32,025.44

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Solution

The fourth proportional to 78,804.80, 118,208.88 and 32,025.44 is: 48,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804.80 : 118,208.88 = 32,025.44 : x
  2. Step 2: Convert to fraction form
    78,804.80/118,208.88 = 32,025.44/x
  3. Step 3: Cross multiply
    78,804.80x = 118,208.88 × 32,025.44
  4. Step 4: Simplify right side
    78,804.80x = 3,785,691,393.91
  5. Step 5: Solve for x
    x = 3,785,691,393.91/78,804.80
  6. Step 6: Final answer
    x = 48,038.84

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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.