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Finding the Fourth Proportional to 254,206.53, 350,804.88 and 139,485.92

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Solution

The fourth proportional to 254,206.53, 350,804.88 and 139,485.92 is: 192,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,206.53 : 350,804.88 = 139,485.92 : x
  2. Step 2: Convert to fraction form
    254,206.53/350,804.88 = 139,485.92/x
  3. Step 3: Cross multiply
    254,206.53x = 350,804.88 × 139,485.92
  4. Step 4: Simplify right side
    254,206.53x = 48,932,339,673.27
  5. Step 5: Solve for x
    x = 48,932,339,673.27/254,206.53
  6. Step 6: Final answer
    x = 192,490.49

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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.