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Finding the Fourth Proportional to 236,604.64, 354,970.80 and 103,496.80

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Solution

The fourth proportional to 236,604.64, 354,970.80 and 103,496.80 is: 155,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,604.64 : 354,970.80 = 103,496.80 : x
  2. Step 2: Convert to fraction form
    236,604.64/354,970.80 = 103,496.80/x
  3. Step 3: Cross multiply
    236,604.64x = 354,970.80 × 103,496.80
  4. Step 4: Simplify right side
    236,604.64x = 36,738,341,893.44
  5. Step 5: Solve for x
    x = 36,738,341,893.44/236,604.64
  6. Step 6: Final answer
    x = 155,273.13

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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.