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Finding the Fourth Proportional to 236,969.32, 355,446.60 and 79,199.08

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Solution

The fourth proportional to 236,969.32, 355,446.60 and 79,199.08 is: 118,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,969.32 : 355,446.60 = 79,199.08 : x
  2. Step 2: Convert to fraction form
    236,969.32/355,446.60 = 79,199.08/x
  3. Step 3: Cross multiply
    236,969.32x = 355,446.60 × 79,199.08
  4. Step 4: Simplify right side
    236,969.32x = 28,151,043,709.13
  5. Step 5: Solve for x
    x = 28,151,043,709.13/236,969.32
  6. Step 6: Final answer
    x = 118,796.15

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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.