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Finding the Fourth Proportional to 297,957.75, 411,173.06 and 168,908.21

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Solution

The fourth proportional to 297,957.75, 411,173.06 and 168,908.21 is: 233,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,957.75 : 411,173.06 = 168,908.21 : x
  2. Step 2: Convert to fraction form
    297,957.75/411,173.06 = 168,908.21/x
  3. Step 3: Cross multiply
    297,957.75x = 411,173.06 × 168,908.21
  4. Step 4: Simplify right side
    297,957.75x = 69,450,502,664.42
  5. Step 5: Solve for x
    x = 69,450,502,664.42/297,957.75
  6. Step 6: Final answer
    x = 233,088.43

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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.