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Finding the Fourth Proportional to 171,085.30, 256,141.95 and 161,775.70

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Solution

The fourth proportional to 171,085.30, 256,141.95 and 161,775.70 is: 242,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,085.30 : 256,141.95 = 161,775.70 : x
  2. Step 2: Convert to fraction form
    171,085.30/256,141.95 = 161,775.70/x
  3. Step 3: Cross multiply
    171,085.30x = 256,141.95 × 161,775.70
  4. Step 4: Simplify right side
    171,085.30x = 41,437,543,260.62
  5. Step 5: Solve for x
    x = 41,437,543,260.62/171,085.30
  6. Step 6: Final answer
    x = 242,204.00

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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.