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Finding the Fourth Proportional to 251,426.63, 376,890.83 and 118,068.17

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Solution

The fourth proportional to 251,426.63, 376,890.83 and 118,068.17 is: 176,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,426.63 : 376,890.83 = 118,068.17 : x
  2. Step 2: Convert to fraction form
    251,426.63/376,890.83 = 118,068.17/x
  3. Step 3: Cross multiply
    251,426.63x = 376,890.83 × 118,068.17
  4. Step 4: Simplify right side
    251,426.63x = 44,498,809,997.54
  5. Step 5: Solve for x
    x = 44,498,809,997.54/251,426.63
  6. Step 6: Final answer
    x = 176,985.27

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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.