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Finding the Fourth Proportional to 171,693.81, 257,557.32 and 53,333.37

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Solution

The fourth proportional to 171,693.81, 257,557.32 and 53,333.37 is: 80,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,693.81 : 257,557.32 = 53,333.37 : x
  2. Step 2: Convert to fraction form
    171,693.81/257,557.32 = 53,333.37/x
  3. Step 3: Cross multiply
    171,693.81x = 257,557.32 × 53,333.37
  4. Step 4: Simplify right side
    171,693.81x = 13,736,399,843.77
  5. Step 5: Solve for x
    x = 13,736,399,843.77/171,693.81
  6. Step 6: Final answer
    x = 80,005.21

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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.