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Finding the Fourth Proportional to 154,525.20, 231,442.20 and 151,069.20

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Solution

The fourth proportional to 154,525.20, 231,442.20 and 151,069.20 is: 226,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525.20 : 231,442.20 = 151,069.20 : x
  2. Step 2: Convert to fraction form
    154,525.20/231,442.20 = 151,069.20/x
  3. Step 3: Cross multiply
    154,525.20x = 231,442.20 × 151,069.20
  4. Step 4: Simplify right side
    154,525.20x = 34,963,788,000.24
  5. Step 5: Solve for x
    x = 34,963,788,000.24/154,525.20
  6. Step 6: Final answer
    x = 226,265.93

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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.