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Finding the Fourth Proportional to 151,376.80, 226,627.80 and 147,002.80

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Solution

The fourth proportional to 151,376.80, 226,627.80 and 147,002.80 is: 220,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,376.80 : 226,627.80 = 147,002.80 : x
  2. Step 2: Convert to fraction form
    151,376.80/226,627.80 = 147,002.80/x
  3. Step 3: Cross multiply
    151,376.80x = 226,627.80 × 147,002.80
  4. Step 4: Simplify right side
    151,376.80x = 33,314,921,157.84
  5. Step 5: Solve for x
    x = 33,314,921,157.84/151,376.80
  6. Step 6: Final answer
    x = 220,079.44

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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.