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Finding the Fourth Proportional to 251,051.47, 376,580.34 and 73,562.11

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Solution

The fourth proportional to 251,051.47, 376,580.34 and 73,562.11 is: 110,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,051.47 : 376,580.34 = 73,562.11 : x
  2. Step 2: Convert to fraction form
    251,051.47/376,580.34 = 73,562.11/x
  3. Step 3: Cross multiply
    251,051.47x = 376,580.34 × 73,562.11
  4. Step 4: Simplify right side
    251,051.47x = 27,702,043,453.47
  5. Step 5: Solve for x
    x = 27,702,043,453.47/251,051.47
  6. Step 6: Final answer
    x = 110,344.08

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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.