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Finding the Fourth Proportional to 169,464.22, 253,886.50 and 79,341.60

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Solution

The fourth proportional to 169,464.22, 253,886.50 and 79,341.60 is: 118,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,464.22 : 253,886.50 = 79,341.60 : x
  2. Step 2: Convert to fraction form
    169,464.22/253,886.50 = 79,341.60/x
  3. Step 3: Cross multiply
    169,464.22x = 253,886.50 × 79,341.60
  4. Step 4: Simplify right side
    169,464.22x = 20,143,761,128.40
  5. Step 5: Solve for x
    x = 20,143,761,128.40/169,464.22
  6. Step 6: Final answer
    x = 118,867.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.