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Finding the Fourth Proportional to 171,811.10, 257,654.90 and 59,460.84

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Solution

The fourth proportional to 171,811.10, 257,654.90 and 59,460.84 is: 89,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811.10 : 257,654.90 = 59,460.84 : x
  2. Step 2: Convert to fraction form
    171,811.10/257,654.90 = 59,460.84/x
  3. Step 3: Cross multiply
    171,811.10x = 257,654.90 × 59,460.84
  4. Step 4: Simplify right side
    171,811.10x = 15,320,376,784.12
  5. Step 5: Solve for x
    x = 15,320,376,784.12/171,811.10
  6. Step 6: Final answer
    x = 89,169.89

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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.