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Finding the Fourth Proportional to 221,044.40, 331,566.60 and 151,060.40

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Solution

The fourth proportional to 221,044.40, 331,566.60 and 151,060.40 is: 226,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,044.40 : 331,566.60 = 151,060.40 : x
  2. Step 2: Convert to fraction form
    221,044.40/331,566.60 = 151,060.40/x
  3. Step 3: Cross multiply
    221,044.40x = 331,566.60 × 151,060.40
  4. Step 4: Simplify right side
    221,044.40x = 50,086,583,222.64
  5. Step 5: Solve for x
    x = 50,086,583,222.64/221,044.40
  6. Step 6: Final answer
    x = 226,590.60

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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.