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Finding the Fourth Proportional to 116,162.51, 173,803.59 and 68,803.02

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Solution

The fourth proportional to 116,162.51, 173,803.59 and 68,803.02 is: 102,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,162.51 : 173,803.59 = 68,803.02 : x
  2. Step 2: Convert to fraction form
    116,162.51/173,803.59 = 68,803.02/x
  3. Step 3: Cross multiply
    116,162.51x = 173,803.59 × 68,803.02
  4. Step 4: Simplify right side
    116,162.51x = 11,958,211,878.84
  5. Step 5: Solve for x
    x = 11,958,211,878.84/116,162.51
  6. Step 6: Final answer
    x = 102,943.82

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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.