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Finding the Fourth Proportional to 171,586.80, 257,420.70 and 59,267.96

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Solution

The fourth proportional to 171,586.80, 257,420.70 and 59,267.96 is: 88,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,586.80 : 257,420.70 = 59,267.96 : x
  2. Step 2: Convert to fraction form
    171,586.80/257,420.70 = 59,267.96/x
  3. Step 3: Cross multiply
    171,586.80x = 257,420.70 × 59,267.96
  4. Step 4: Simplify right side
    171,586.80x = 15,256,798,463.67
  5. Step 5: Solve for x
    x = 15,256,798,463.67/171,586.80
  6. Step 6: Final answer
    x = 88,915.92

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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.