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Finding the Fourth Proportional to 171,857.88, 257,725.30 and 59,507.93

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Solution

The fourth proportional to 171,857.88, 257,725.30 and 59,507.93 is: 89,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,857.88 : 257,725.30 = 59,507.93 : x
  2. Step 2: Convert to fraction form
    171,857.88/257,725.30 = 59,507.93/x
  3. Step 3: Cross multiply
    171,857.88x = 257,725.30 × 59,507.93
  4. Step 4: Simplify right side
    171,857.88x = 15,336,697,674.23
  5. Step 5: Solve for x
    x = 15,336,697,674.23/171,857.88
  6. Step 6: Final answer
    x = 89,240.58

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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.