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Finding the Fourth Proportional to 250,804.58, 346,109.37 and 137,629.22

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Solution

The fourth proportional to 250,804.58, 346,109.37 and 137,629.22 is: 189,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,804.58 : 346,109.37 = 137,629.22 : x
  2. Step 2: Convert to fraction form
    250,804.58/346,109.37 = 137,629.22/x
  3. Step 3: Cross multiply
    250,804.58x = 346,109.37 × 137,629.22
  4. Step 4: Simplify right side
    250,804.58x = 47,634,762,627.79
  5. Step 5: Solve for x
    x = 47,634,762,627.79/250,804.58
  6. Step 6: Final answer
    x = 189,927.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.