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Finding the Fourth Proportional to 251,687.86, 377,597.14 and 93,917.50

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Solution

The fourth proportional to 251,687.86, 377,597.14 and 93,917.50 is: 140,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,687.86 : 377,597.14 = 93,917.50 : x
  2. Step 2: Convert to fraction form
    251,687.86/377,597.14 = 93,917.50/x
  3. Step 3: Cross multiply
    251,687.86x = 377,597.14 × 93,917.50
  4. Step 4: Simplify right side
    251,687.86x = 35,462,979,395.95
  5. Step 5: Solve for x
    x = 35,462,979,395.95/251,687.86
  6. Step 6: Final answer
    x = 140,900.64

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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.