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Finding the Fourth Proportional to 153,370.45, 211,596.44 and 88,804.44

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Solution

The fourth proportional to 153,370.45, 211,596.44 and 88,804.44 is: 122,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,370.45 : 211,596.44 = 88,804.44 : x
  2. Step 2: Convert to fraction form
    153,370.45/211,596.44 = 88,804.44/x
  3. Step 3: Cross multiply
    153,370.45x = 211,596.44 × 88,804.44
  4. Step 4: Simplify right side
    153,370.45x = 18,790,702,993.26
  5. Step 5: Solve for x
    x = 18,790,702,993.26/153,370.45
  6. Step 6: Final answer
    x = 122,518.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.