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Finding the Fourth Proportional to 236,475.90, 354,713.85 and 112,059.90

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Solution

The fourth proportional to 236,475.90, 354,713.85 and 112,059.90 is: 168,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,475.90 : 354,713.85 = 112,059.90 : x
  2. Step 2: Convert to fraction form
    236,475.90/354,713.85 = 112,059.90/x
  3. Step 3: Cross multiply
    236,475.90x = 354,713.85 × 112,059.90
  4. Step 4: Simplify right side
    236,475.90x = 39,749,198,559.62
  5. Step 5: Solve for x
    x = 39,749,198,559.62/236,475.90
  6. Step 6: Final answer
    x = 168,089.85

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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.