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Finding the Fourth Proportional to 171,800.49, 257,725.04 and 53,483.79

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Solution

The fourth proportional to 171,800.49, 257,725.04 and 53,483.79 is: 80,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,800.49 : 257,725.04 = 53,483.79 : x
  2. Step 2: Convert to fraction form
    171,800.49/257,725.04 = 53,483.79/x
  3. Step 3: Cross multiply
    171,800.49x = 257,725.04 × 53,483.79
  4. Step 4: Simplify right side
    171,800.49x = 13,784,111,649.68
  5. Step 5: Solve for x
    x = 13,784,111,649.68/171,800.49
  6. Step 6: Final answer
    x = 80,233.25

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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.