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Finding the Fourth Proportional to 241,782.42, 333,702.28 and 139,791.68

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Solution

The fourth proportional to 241,782.42, 333,702.28 and 139,791.68 is: 192,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,782.42 : 333,702.28 = 139,791.68 : x
  2. Step 2: Convert to fraction form
    241,782.42/333,702.28 = 139,791.68/x
  3. Step 3: Cross multiply
    241,782.42x = 333,702.28 × 139,791.68
  4. Step 4: Simplify right side
    241,782.42x = 46,648,802,341.03
  5. Step 5: Solve for x
    x = 46,648,802,341.03/241,782.42
  6. Step 6: Final answer
    x = 192,937.11

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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.