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Finding the Fourth Proportional to 305,761.01, 458,696.61 and 125,814.65

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Solution

The fourth proportional to 305,761.01, 458,696.61 and 125,814.65 is: 188,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,761.01 : 458,696.61 = 125,814.65 : x
  2. Step 2: Convert to fraction form
    305,761.01/458,696.61 = 125,814.65/x
  3. Step 3: Cross multiply
    305,761.01x = 458,696.61 × 125,814.65
  4. Step 4: Simplify right side
    305,761.01x = 57,710,751,149.85
  5. Step 5: Solve for x
    x = 57,710,751,149.85/305,761.01
  6. Step 6: Final answer
    x = 188,744.64

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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.