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Finding the Fourth Proportional to 168,179.60, 231,965.88 and 114,368.96

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Solution

The fourth proportional to 168,179.60, 231,965.88 and 114,368.96 is: 157,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.60 : 231,965.88 = 114,368.96 : x
  2. Step 2: Convert to fraction form
    168,179.60/231,965.88 = 114,368.96/x
  3. Step 3: Cross multiply
    168,179.60x = 231,965.88 × 114,368.96
  4. Step 4: Simplify right side
    168,179.60x = 26,529,696,451.08
  5. Step 5: Solve for x
    x = 26,529,696,451.08/168,179.60
  6. Step 6: Final answer
    x = 157,746.22

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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.