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Finding the Fourth Proportional to 164,714.70, 247,072.05 and 148,968.30

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Solution

The fourth proportional to 164,714.70, 247,072.05 and 148,968.30 is: 223,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,714.70 : 247,072.05 = 148,968.30 : x
  2. Step 2: Convert to fraction form
    164,714.70/247,072.05 = 148,968.30/x
  3. Step 3: Cross multiply
    164,714.70x = 247,072.05 × 148,968.30
  4. Step 4: Simplify right side
    164,714.70x = 36,805,903,266.02
  5. Step 5: Solve for x
    x = 36,805,903,266.02/164,714.70
  6. Step 6: Final answer
    x = 223,452.45

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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.