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Finding the Fourth Proportional to 118,873.84, 164,013.24 and 73,530.04

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Solution

The fourth proportional to 118,873.84, 164,013.24 and 73,530.04 is: 101,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,873.84 : 164,013.24 = 73,530.04 : x
  2. Step 2: Convert to fraction form
    118,873.84/164,013.24 = 73,530.04/x
  3. Step 3: Cross multiply
    118,873.84x = 164,013.24 × 73,530.04
  4. Step 4: Simplify right side
    118,873.84x = 12,059,900,097.73
  5. Step 5: Solve for x
    x = 12,059,900,097.73/118,873.84
  6. Step 6: Final answer
    x = 101,451.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.