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Finding the Fourth Proportional to 368,751.70, 553,242.37 and 132,096.43

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Solution

The fourth proportional to 368,751.70, 553,242.37 and 132,096.43 is: 198,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,751.70 : 553,242.37 = 132,096.43 : x
  2. Step 2: Convert to fraction form
    368,751.70/553,242.37 = 132,096.43/x
  3. Step 3: Cross multiply
    368,751.70x = 553,242.37 × 132,096.43
  4. Step 4: Simplify right side
    368,751.70x = 73,081,340,288.39
  5. Step 5: Solve for x
    x = 73,081,340,288.39/368,751.70
  6. Step 6: Final answer
    x = 198,185.77

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Why These Related Problems?

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