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Finding the Fourth Proportional to 241,418.16, 333,005.49 and 155,488.50

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Solution

The fourth proportional to 241,418.16, 333,005.49 and 155,488.50 is: 214,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,418.16 : 333,005.49 = 155,488.50 : x
  2. Step 2: Convert to fraction form
    241,418.16/333,005.49 = 155,488.50/x
  3. Step 3: Cross multiply
    241,418.16x = 333,005.49 × 155,488.50
  4. Step 4: Simplify right side
    241,418.16x = 51,778,524,131.87
  5. Step 5: Solve for x
    x = 51,778,524,131.87/241,418.16
  6. Step 6: Final answer
    x = 214,476.51

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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.