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Finding the Fourth Proportional to 236,350.72, 354,525.90 and 70,138.72

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Solution

The fourth proportional to 236,350.72, 354,525.90 and 70,138.72 is: 105,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,350.72 : 354,525.90 = 70,138.72 : x
  2. Step 2: Convert to fraction form
    236,350.72/354,525.90 = 70,138.72/x
  3. Step 3: Cross multiply
    236,350.72x = 354,525.90 × 70,138.72
  4. Step 4: Simplify right side
    236,350.72x = 24,865,992,832.85
  5. Step 5: Solve for x
    x = 24,865,992,832.85/236,350.72
  6. Step 6: Final answer
    x = 105,208.03

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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.