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Finding the Fourth Proportional to 251,000.96, 376,417.92 and 101,202.56

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Solution

The fourth proportional to 251,000.96, 376,417.92 and 101,202.56 is: 151,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,000.96 : 376,417.92 = 101,202.56 : x
  2. Step 2: Convert to fraction form
    251,000.96/376,417.92 = 101,202.56/x
  3. Step 3: Cross multiply
    251,000.96x = 376,417.92 × 101,202.56
  4. Step 4: Simplify right side
    251,000.96x = 38,094,457,133.88
  5. Step 5: Solve for x
    x = 38,094,457,133.88/251,000.96
  6. Step 6: Final answer
    x = 151,770.17

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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.