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Finding the Fourth Proportional to 236,704.75, 355,118.69 and 70,492.75

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Solution

The fourth proportional to 236,704.75, 355,118.69 and 70,492.75 is: 105,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,704.75 : 355,118.69 = 70,492.75 : x
  2. Step 2: Convert to fraction form
    236,704.75/355,118.69 = 70,492.75/x
  3. Step 3: Cross multiply
    236,704.75x = 355,118.69 × 70,492.75
  4. Step 4: Simplify right side
    236,704.75x = 25,033,293,034.50
  5. Step 5: Solve for x
    x = 25,033,293,034.50/236,704.75
  6. Step 6: Final answer
    x = 105,757.46

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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.