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Finding the Fourth Proportional to 136,424.28, 188,265.18 and 95,648.28

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Solution

The fourth proportional to 136,424.28, 188,265.18 and 95,648.28 is: 131,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,424.28 : 188,265.18 = 95,648.28 : x
  2. Step 2: Convert to fraction form
    136,424.28/188,265.18 = 95,648.28/x
  3. Step 3: Cross multiply
    136,424.28x = 188,265.18 × 95,648.28
  4. Step 4: Simplify right side
    136,424.28x = 18,007,240,650.89
  5. Step 5: Solve for x
    x = 18,007,240,650.89/136,424.28
  6. Step 6: Final answer
    x = 131,994.40

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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.