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Finding the Fourth Proportional to 171,857.69, 257,725.02 and 59,507.74

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Solution

The fourth proportional to 171,857.69, 257,725.02 and 59,507.74 is: 89,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,857.69 : 257,725.02 = 59,507.74 : x
  2. Step 2: Convert to fraction form
    171,857.69/257,725.02 = 59,507.74/x
  3. Step 3: Cross multiply
    171,857.69x = 257,725.02 × 59,507.74
  4. Step 4: Simplify right side
    171,857.69x = 15,336,632,837.34
  5. Step 5: Solve for x
    x = 15,336,632,837.34/171,857.69
  6. Step 6: Final answer
    x = 89,240.30

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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.