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Finding the Fourth Proportional to 176,002.92, 263,963.52 and 104,945.40

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Solution

The fourth proportional to 176,002.92, 263,963.52 and 104,945.40 is: 157,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,002.92 : 263,963.52 = 104,945.40 : x
  2. Step 2: Convert to fraction form
    176,002.92/263,963.52 = 104,945.40/x
  3. Step 3: Cross multiply
    176,002.92x = 263,963.52 × 104,945.40
  4. Step 4: Simplify right side
    176,002.92x = 27,701,757,191.81
  5. Step 5: Solve for x
    x = 27,701,757,191.81/176,002.92
  6. Step 6: Final answer
    x = 157,393.74

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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.