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Finding the Fourth Proportional to 192,379.32, 265,495.68 and 107,496.54

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Solution

The fourth proportional to 192,379.32, 265,495.68 and 107,496.54 is: 148,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.32 : 265,495.68 = 107,496.54 : x
  2. Step 2: Convert to fraction form
    192,379.32/265,495.68 = 107,496.54/x
  3. Step 3: Cross multiply
    192,379.32x = 265,495.68 × 107,496.54
  4. Step 4: Simplify right side
    192,379.32x = 28,539,866,984.95
  5. Step 5: Solve for x
    x = 28,539,866,984.95/192,379.32
  6. Step 6: Final answer
    x = 148,352.05

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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.