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Finding the Fourth Proportional to 273,611.68, 410,460.72 and 105,125.28

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Solution

The fourth proportional to 273,611.68, 410,460.72 and 105,125.28 is: 157,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,611.68 : 410,460.72 = 105,125.28 : x
  2. Step 2: Convert to fraction form
    273,611.68/410,460.72 = 105,125.28/x
  3. Step 3: Cross multiply
    273,611.68x = 410,460.72 × 105,125.28
  4. Step 4: Simplify right side
    273,611.68x = 43,149,798,119.00
  5. Step 5: Solve for x
    x = 43,149,798,119.00/273,611.68
  6. Step 6: Final answer
    x = 157,704.52

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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.