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Finding the Fourth Proportional to 176,612.40, 264,918.60 and 106,628.40

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Solution

The fourth proportional to 176,612.40, 264,918.60 and 106,628.40 is: 159,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,612.40 : 264,918.60 = 106,628.40 : x
  2. Step 2: Convert to fraction form
    176,612.40/264,918.60 = 106,628.40/x
  3. Step 3: Cross multiply
    176,612.40x = 264,918.60 × 106,628.40
  4. Step 4: Simplify right side
    176,612.40x = 28,247,846,448.24
  5. Step 5: Solve for x
    x = 28,247,846,448.24/176,612.40
  6. Step 6: Final answer
    x = 159,942.60

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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.