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Finding the Fourth Proportional to 251,054.71, 376,581.84 and 64,066.21

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Solution

The fourth proportional to 251,054.71, 376,581.84 and 64,066.21 is: 96,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,054.71 : 376,581.84 = 64,066.21 : x
  2. Step 2: Convert to fraction form
    251,054.71/376,581.84 = 64,066.21/x
  3. Step 3: Cross multiply
    251,054.71x = 376,581.84 × 64,066.21
  4. Step 4: Simplify right side
    251,054.71x = 24,126,171,243.63
  5. Step 5: Solve for x
    x = 24,126,171,243.63/251,054.71
  6. Step 6: Final answer
    x = 96,099.26

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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.