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Finding the Fourth Proportional to 216,563.33, 298,859.28 and 119,762.15

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Solution

The fourth proportional to 216,563.33, 298,859.28 and 119,762.15 is: 165,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,563.33 : 298,859.28 = 119,762.15 : x
  2. Step 2: Convert to fraction form
    216,563.33/298,859.28 = 119,762.15/x
  3. Step 3: Cross multiply
    216,563.33x = 298,859.28 × 119,762.15
  4. Step 4: Simplify right side
    216,563.33x = 35,792,027,827.14
  5. Step 5: Solve for x
    x = 35,792,027,827.14/216,563.33
  6. Step 6: Final answer
    x = 165,272.80

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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.