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Finding the Fourth Proportional to 171,153, 256,635.54 and 58,770.36

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Solution

The fourth proportional to 171,153, 256,635.54 and 58,770.36 is: 88,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,153 : 256,635.54 = 58,770.36 : x
  2. Step 2: Convert to fraction form
    171,153/256,635.54 = 58,770.36/x
  3. Step 3: Cross multiply
    171,153x = 256,635.54 × 58,770.36
  4. Step 4: Simplify right side
    171,153x = 15,082,563,074.59
  5. Step 5: Solve for x
    x = 15,082,563,074.59/171,153
  6. Step 6: Final answer
    x = 88,123.28

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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.