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Finding the Fourth Proportional to 171,676.42, 257,503.35 and 59,330.50

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Solution

The fourth proportional to 171,676.42, 257,503.35 and 59,330.50 is: 88,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,676.42 : 257,503.35 = 59,330.50 : x
  2. Step 2: Convert to fraction form
    171,676.42/257,503.35 = 59,330.50/x
  3. Step 3: Cross multiply
    171,676.42x = 257,503.35 × 59,330.50
  4. Step 4: Simplify right side
    171,676.42x = 15,277,802,507.18
  5. Step 5: Solve for x
    x = 15,277,802,507.18/171,676.42
  6. Step 6: Final answer
    x = 88,991.85

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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.