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Finding the Fourth Proportional to 119,589.96, 165,041.24 and 68,602.32

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Solution

The fourth proportional to 119,589.96, 165,041.24 and 68,602.32 is: 94,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,589.96 : 165,041.24 = 68,602.32 : x
  2. Step 2: Convert to fraction form
    119,589.96/165,041.24 = 68,602.32/x
  3. Step 3: Cross multiply
    119,589.96x = 165,041.24 × 68,602.32
  4. Step 4: Simplify right side
    119,589.96x = 11,322,211,959.68
  5. Step 5: Solve for x
    x = 11,322,211,959.68/119,589.96
  6. Step 6: Final answer
    x = 94,675.27

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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.