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Finding the Fourth Proportional to 236,437.70, 354,462.15 and 125,629.70

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Solution

The fourth proportional to 236,437.70, 354,462.15 and 125,629.70 is: 188,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,437.70 : 354,462.15 = 125,629.70 : x
  2. Step 2: Convert to fraction form
    236,437.70/354,462.15 = 125,629.70/x
  3. Step 3: Cross multiply
    236,437.70x = 354,462.15 × 125,629.70
  4. Step 4: Simplify right side
    236,437.70x = 44,530,973,565.86
  5. Step 5: Solve for x
    x = 44,530,973,565.86/236,437.70
  6. Step 6: Final answer
    x = 188,341.26

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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.