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Finding the Fourth Proportional to 147,351.40, 221,027.10 and 53,893.60

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Solution

The fourth proportional to 147,351.40, 221,027.10 and 53,893.60 is: 80,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,351.40 : 221,027.10 = 53,893.60 : x
  2. Step 2: Convert to fraction form
    147,351.40/221,027.10 = 53,893.60/x
  3. Step 3: Cross multiply
    147,351.40x = 221,027.10 × 53,893.60
  4. Step 4: Simplify right side
    147,351.40x = 11,911,946,116.56
  5. Step 5: Solve for x
    x = 11,911,946,116.56/147,351.40
  6. Step 6: Final answer
    x = 80,840.40

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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.