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Finding the Fourth Proportional to 161,859.66, 242,836.86 and 83,028.84

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Solution

The fourth proportional to 161,859.66, 242,836.86 and 83,028.84 is: 124,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,859.66 : 242,836.86 = 83,028.84 : x
  2. Step 2: Convert to fraction form
    161,859.66/242,836.86 = 83,028.84/x
  3. Step 3: Cross multiply
    161,859.66x = 242,836.86 × 83,028.84
  4. Step 4: Simplify right side
    161,859.66x = 20,162,462,795.04
  5. Step 5: Solve for x
    x = 20,162,462,795.04/161,859.66
  6. Step 6: Final answer
    x = 124,567.56

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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.