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Finding the Fourth Proportional to 251,525.15, 377,246.71 and 73,990.64

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Solution

The fourth proportional to 251,525.15, 377,246.71 and 73,990.64 is: 110,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,525.15 : 377,246.71 = 73,990.64 : x
  2. Step 2: Convert to fraction form
    251,525.15/377,246.71 = 73,990.64/x
  3. Step 3: Cross multiply
    251,525.15x = 377,246.71 × 73,990.64
  4. Step 4: Simplify right side
    251,525.15x = 27,912,723,254.61
  5. Step 5: Solve for x
    x = 27,912,723,254.61/251,525.15
  6. Step 6: Final answer
    x = 110,973.89

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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.