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Finding the Fourth Proportional to 98,867.46, 136,436.41 and 53,544.41

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Solution

The fourth proportional to 98,867.46, 136,436.41 and 53,544.41 is: 73,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,867.46 : 136,436.41 = 53,544.41 : x
  2. Step 2: Convert to fraction form
    98,867.46/136,436.41 = 53,544.41/x
  3. Step 3: Cross multiply
    98,867.46x = 136,436.41 × 53,544.41
  4. Step 4: Simplify right side
    98,867.46x = 7,305,407,075.97
  5. Step 5: Solve for x
    x = 7,305,407,075.97/98,867.46
  6. Step 6: Final answer
    x = 73,890.91

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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.