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Finding the Fourth Proportional to 169,838.20, 254,759.70 and 64,662.92

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Solution

The fourth proportional to 169,838.20, 254,759.70 and 64,662.92 is: 96,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,838.20 : 254,759.70 = 64,662.92 : x
  2. Step 2: Convert to fraction form
    169,838.20/254,759.70 = 64,662.92/x
  3. Step 3: Cross multiply
    169,838.20x = 254,759.70 × 64,662.92
  4. Step 4: Simplify right side
    169,838.20x = 16,473,506,100.32
  5. Step 5: Solve for x
    x = 16,473,506,100.32/169,838.20
  6. Step 6: Final answer
    x = 96,995.29

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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.