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Finding the Fourth Proportional to 98,247.94, 135,582.15 and 53,535.94

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Solution

The fourth proportional to 98,247.94, 135,582.15 and 53,535.94 is: 73,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,247.94 : 135,582.15 = 53,535.94 : x
  2. Step 2: Convert to fraction form
    98,247.94/135,582.15 = 53,535.94/x
  3. Step 3: Cross multiply
    98,247.94x = 135,582.15 × 53,535.94
  4. Step 4: Simplify right side
    98,247.94x = 7,258,517,709.28
  5. Step 5: Solve for x
    x = 7,258,517,709.28/98,247.94
  6. Step 6: Final answer
    x = 73,879.59

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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.