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Finding the Fourth Proportional to 243,694.48, 365,164.68 and 168,960.64

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Solution

The fourth proportional to 243,694.48, 365,164.68 and 168,960.64 is: 253,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,694.48 : 365,164.68 = 168,960.64 : x
  2. Step 2: Convert to fraction form
    243,694.48/365,164.68 = 168,960.64/x
  3. Step 3: Cross multiply
    243,694.48x = 365,164.68 × 168,960.64
  4. Step 4: Simplify right side
    243,694.48x = 61,698,458,038.20
  5. Step 5: Solve for x
    x = 61,698,458,038.20/243,694.48
  6. Step 6: Final answer
    x = 253,179.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.