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Finding the Fourth Proportional to 251,000.56, 346,380.06 and 150,398.56

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Solution

The fourth proportional to 251,000.56, 346,380.06 and 150,398.56 is: 207,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,000.56 : 346,380.06 = 150,398.56 : x
  2. Step 2: Convert to fraction form
    251,000.56/346,380.06 = 150,398.56/x
  3. Step 3: Cross multiply
    251,000.56x = 346,380.06 × 150,398.56
  4. Step 4: Simplify right side
    251,000.56x = 52,095,062,236.71
  5. Step 5: Solve for x
    x = 52,095,062,236.71/251,000.56
  6. Step 6: Final answer
    x = 207,549.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.