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Finding the Fourth Proportional to 236,807.08, 355,213.76 and 79,035.48

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Solution

The fourth proportional to 236,807.08, 355,213.76 and 79,035.48 is: 118,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,807.08 : 355,213.76 = 79,035.48 : x
  2. Step 2: Convert to fraction form
    236,807.08/355,213.76 = 79,035.48/x
  3. Step 3: Cross multiply
    236,807.08x = 355,213.76 × 79,035.48
  4. Step 4: Simplify right side
    236,807.08x = 28,074,489,629.03
  5. Step 5: Solve for x
    x = 28,074,489,629.03/236,807.08
  6. Step 6: Final answer
    x = 118,554.27

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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.