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Finding the Fourth Proportional to 273,531.60, 410,005.80 and 104,986.80

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Solution

The fourth proportional to 273,531.60, 410,005.80 and 104,986.80 is: 157,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,531.60 : 410,005.80 = 104,986.80 : x
  2. Step 2: Convert to fraction form
    273,531.60/410,005.80 = 104,986.80/x
  3. Step 3: Cross multiply
    273,531.60x = 410,005.80 × 104,986.80
  4. Step 4: Simplify right side
    273,531.60x = 43,045,196,923.44
  5. Step 5: Solve for x
    x = 43,045,196,923.44/273,531.60
  6. Step 6: Final answer
    x = 157,368.28

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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.