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Finding the Fourth Proportional to 251,433.90, 377,097.93 and 73,892.70

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Solution

The fourth proportional to 251,433.90, 377,097.93 and 73,892.70 is: 110,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,433.90 : 377,097.93 = 73,892.70 : x
  2. Step 2: Convert to fraction form
    251,433.90/377,097.93 = 73,892.70/x
  3. Step 3: Cross multiply
    251,433.90x = 377,097.93 × 73,892.70
  4. Step 4: Simplify right side
    251,433.90x = 27,864,784,212.11
  5. Step 5: Solve for x
    x = 27,864,784,212.11/251,433.90
  6. Step 6: Final answer
    x = 110,823.50

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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.