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Finding the Fourth Proportional to 73,137.88, 109,698.95 and 49,596.53

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Solution

The fourth proportional to 73,137.88, 109,698.95 and 49,596.53 is: 74,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137.88 : 109,698.95 = 49,596.53 : x
  2. Step 2: Convert to fraction form
    73,137.88/109,698.95 = 49,596.53/x
  3. Step 3: Cross multiply
    73,137.88x = 109,698.95 × 49,596.53
  4. Step 4: Simplify right side
    73,137.88x = 5,440,687,264.64
  5. Step 5: Solve for x
    x = 5,440,687,264.64/73,137.88
  6. Step 6: Final answer
    x = 74,389.46

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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.