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Finding the Fourth Proportional to 162,364.54, 223,917.48 and 135,230.71

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Solution

The fourth proportional to 162,364.54, 223,917.48 and 135,230.71 is: 186,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,364.54 : 223,917.48 = 135,230.71 : x
  2. Step 2: Convert to fraction form
    162,364.54/223,917.48 = 135,230.71/x
  3. Step 3: Cross multiply
    162,364.54x = 223,917.48 × 135,230.71
  4. Step 4: Simplify right side
    162,364.54x = 30,280,519,749.13
  5. Step 5: Solve for x
    x = 30,280,519,749.13/162,364.54
  6. Step 6: Final answer
    x = 186,497.12

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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.