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Finding the Fourth Proportional to 241,393.41, 333,045.84 and 139,405.40

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Solution

The fourth proportional to 241,393.41, 333,045.84 and 139,405.40 is: 192,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,393.41 : 333,045.84 = 139,405.40 : x
  2. Step 2: Convert to fraction form
    241,393.41/333,045.84 = 139,405.40/x
  3. Step 3: Cross multiply
    241,393.41x = 333,045.84 × 139,405.40
  4. Step 4: Simplify right side
    241,393.41x = 46,428,388,543.54
  5. Step 5: Solve for x
    x = 46,428,388,543.54/241,393.41
  6. Step 6: Final answer
    x = 192,334.95

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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.