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Finding the Fourth Proportional to 181,195.28, 249,962.28 and 117,553.04

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Solution

The fourth proportional to 181,195.28, 249,962.28 and 117,553.04 is: 162,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,195.28 : 249,962.28 = 117,553.04 : x
  2. Step 2: Convert to fraction form
    181,195.28/249,962.28 = 117,553.04/x
  3. Step 3: Cross multiply
    181,195.28x = 249,962.28 × 117,553.04
  4. Step 4: Simplify right side
    181,195.28x = 29,383,825,899.33
  5. Step 5: Solve for x
    x = 29,383,825,899.33/181,195.28
  6. Step 6: Final answer
    x = 162,166.62

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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.