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Finding the Fourth Proportional to 125,614.59, 188,458.53 and 50,696.47

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Solution

The fourth proportional to 125,614.59, 188,458.53 and 50,696.47 is: 76,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.59 : 188,458.53 = 50,696.47 : x
  2. Step 2: Convert to fraction form
    125,614.59/188,458.53 = 50,696.47/x
  3. Step 3: Cross multiply
    125,614.59x = 188,458.53 × 50,696.47
  4. Step 4: Simplify right side
    125,614.59x = 9,554,182,212.39
  5. Step 5: Solve for x
    x = 9,554,182,212.39/125,614.59
  6. Step 6: Final answer
    x = 76,059.49

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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.