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Finding the Fourth Proportional to 72,546.96, 108,838.74 and 35,124.96

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Solution

The fourth proportional to 72,546.96, 108,838.74 and 35,124.96 is: 52,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,546.96 : 108,838.74 = 35,124.96 : x
  2. Step 2: Convert to fraction form
    72,546.96/108,838.74 = 35,124.96/x
  3. Step 3: Cross multiply
    72,546.96x = 108,838.74 × 35,124.96
  4. Step 4: Simplify right side
    72,546.96x = 3,822,956,388.95
  5. Step 5: Solve for x
    x = 3,822,956,388.95/72,546.96
  6. Step 6: Final answer
    x = 52,696.30

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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.