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Finding the Fourth Proportional to 169,289.87, 233,622.63 and 92,816.28

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Solution

The fourth proportional to 169,289.87, 233,622.63 and 92,816.28 is: 128,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,289.87 : 233,622.63 = 92,816.28 : x
  2. Step 2: Convert to fraction form
    169,289.87/233,622.63 = 92,816.28/x
  3. Step 3: Cross multiply
    169,289.87x = 233,622.63 × 92,816.28
  4. Step 4: Simplify right side
    169,289.87x = 21,683,983,440.42
  5. Step 5: Solve for x
    x = 21,683,983,440.42/169,289.87
  6. Step 6: Final answer
    x = 128,087.90

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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.