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Finding the Fourth Proportional to 117,007.20, 175,510.80 and 63,863.10

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Solution

The fourth proportional to 117,007.20, 175,510.80 and 63,863.10 is: 95,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.20 : 175,510.80 = 63,863.10 : x
  2. Step 2: Convert to fraction form
    117,007.20/175,510.80 = 63,863.10/x
  3. Step 3: Cross multiply
    117,007.20x = 175,510.80 × 63,863.10
  4. Step 4: Simplify right side
    117,007.20x = 11,208,663,771.48
  5. Step 5: Solve for x
    x = 11,208,663,771.48/117,007.20
  6. Step 6: Final answer
    x = 95,794.65

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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.