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Finding the Fourth Proportional to 251,141.76, 376,712.32 and 64,153.28

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Solution

The fourth proportional to 251,141.76, 376,712.32 and 64,153.28 is: 96,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,141.76 : 376,712.32 = 64,153.28 : x
  2. Step 2: Convert to fraction form
    251,141.76/376,712.32 = 64,153.28/x
  3. Step 3: Cross multiply
    251,141.76x = 376,712.32 × 64,153.28
  4. Step 4: Simplify right side
    251,141.76x = 24,167,330,944.41
  5. Step 5: Solve for x
    x = 24,167,330,944.41/251,141.76
  6. Step 6: Final answer
    x = 96,229.84

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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.