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Finding the Fourth Proportional to 236,481.80, 354,722.70 and 147,835.40

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Solution

The fourth proportional to 236,481.80, 354,722.70 and 147,835.40 is: 221,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,481.80 : 354,722.70 = 147,835.40 : x
  2. Step 2: Convert to fraction form
    236,481.80/354,722.70 = 147,835.40/x
  3. Step 3: Cross multiply
    236,481.80x = 354,722.70 × 147,835.40
  4. Step 4: Simplify right side
    236,481.80x = 52,440,572,243.58
  5. Step 5: Solve for x
    x = 52,440,572,243.58/236,481.80
  6. Step 6: Final answer
    x = 221,753.10

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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.