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Finding the Fourth Proportional to 241,393, 333,129.92 and 139,416.57

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Solution

The fourth proportional to 241,393, 333,129.92 and 139,416.57 is: 192,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,393 : 333,129.92 = 139,416.57 : x
  2. Step 2: Convert to fraction form
    241,393/333,129.92 = 139,416.57/x
  3. Step 3: Cross multiply
    241,393x = 333,129.92 × 139,416.57
  4. Step 4: Simplify right side
    241,393x = 46,443,828,448.04
  5. Step 5: Solve for x
    x = 46,443,828,448.04/241,393
  6. Step 6: Final answer
    x = 192,399.23

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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.