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Finding the Fourth Proportional to 216,348.64, 298,559.49 and 119,559.03

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Solution

The fourth proportional to 216,348.64, 298,559.49 and 119,559.03 is: 164,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,348.64 : 298,559.49 = 119,559.03 : x
  2. Step 2: Convert to fraction form
    216,348.64/298,559.49 = 119,559.03/x
  3. Step 3: Cross multiply
    216,348.64x = 298,559.49 × 119,559.03
  4. Step 4: Simplify right side
    216,348.64x = 35,695,481,827.79
  5. Step 5: Solve for x
    x = 35,695,481,827.79/216,348.64
  6. Step 6: Final answer
    x = 164,990.55

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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.