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Finding the Fourth Proportional to 251,672.02, 377,639.28 and 102,022.90

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Solution

The fourth proportional to 251,672.02, 377,639.28 and 102,022.90 is: 153,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,672.02 : 377,639.28 = 102,022.90 : x
  2. Step 2: Convert to fraction form
    251,672.02/377,639.28 = 102,022.90/x
  3. Step 3: Cross multiply
    251,672.02x = 377,639.28 × 102,022.90
  4. Step 4: Simplify right side
    251,672.02x = 38,527,854,499.51
  5. Step 5: Solve for x
    x = 38,527,854,499.51/251,672.02
  6. Step 6: Final answer
    x = 153,087.56

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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.