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Finding the Fourth Proportional to 163,057.70, 244,586.55 and 118,442.90

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Solution

The fourth proportional to 163,057.70, 244,586.55 and 118,442.90 is: 177,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,057.70 : 244,586.55 = 118,442.90 : x
  2. Step 2: Convert to fraction form
    163,057.70/244,586.55 = 118,442.90/x
  3. Step 3: Cross multiply
    163,057.70x = 244,586.55 × 118,442.90
  4. Step 4: Simplify right side
    163,057.70x = 28,969,540,283.00
  5. Step 5: Solve for x
    x = 28,969,540,283.00/163,057.70
  6. Step 6: Final answer
    x = 177,664.35

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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.