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Finding the Fourth Proportional to 169,959.28, 254,904.36 and 161,528.80

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Solution

The fourth proportional to 169,959.28, 254,904.36 and 161,528.80 is: 242,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,959.28 : 254,904.36 = 161,528.80 : x
  2. Step 2: Convert to fraction form
    169,959.28/254,904.36 = 161,528.80/x
  3. Step 3: Cross multiply
    169,959.28x = 254,904.36 × 161,528.80
  4. Step 4: Simplify right side
    169,959.28x = 41,174,395,385.57
  5. Step 5: Solve for x
    x = 41,174,395,385.57/169,959.28
  6. Step 6: Final answer
    x = 242,260.35

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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.