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Finding the Fourth Proportional to 136,676.76, 204,822.47 and 64,552.79

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Solution

The fourth proportional to 136,676.76, 204,822.47 and 64,552.79 is: 96,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676.76 : 204,822.47 = 64,552.79 : x
  2. Step 2: Convert to fraction form
    136,676.76/204,822.47 = 64,552.79/x
  3. Step 3: Cross multiply
    136,676.76x = 204,822.47 × 64,552.79
  4. Step 4: Simplify right side
    136,676.76x = 13,221,861,798.55
  5. Step 5: Solve for x
    x = 13,221,861,798.55/136,676.76
  6. Step 6: Final answer
    x = 96,738.18

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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.