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Finding the Fourth Proportional to 162,915.80, 244,373.70 and 148,481.60

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Solution

The fourth proportional to 162,915.80, 244,373.70 and 148,481.60 is: 222,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,915.80 : 244,373.70 = 148,481.60 : x
  2. Step 2: Convert to fraction form
    162,915.80/244,373.70 = 148,481.60/x
  3. Step 3: Cross multiply
    162,915.80x = 244,373.70 × 148,481.60
  4. Step 4: Simplify right side
    162,915.80x = 36,284,997,973.92
  5. Step 5: Solve for x
    x = 36,284,997,973.92/162,915.80
  6. Step 6: Final answer
    x = 222,722.40

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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.