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Finding the Fourth Proportional to 157,174.44, 216,904.26 and 89,195.88

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Solution

The fourth proportional to 157,174.44, 216,904.26 and 89,195.88 is: 123,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,174.44 : 216,904.26 = 89,195.88 : x
  2. Step 2: Convert to fraction form
    157,174.44/216,904.26 = 89,195.88/x
  3. Step 3: Cross multiply
    157,174.44x = 216,904.26 × 89,195.88
  4. Step 4: Simplify right side
    157,174.44x = 19,346,966,346.45
  5. Step 5: Solve for x
    x = 19,346,966,346.45/157,174.44
  6. Step 6: Final answer
    x = 123,092.32

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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.