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Finding the Fourth Proportional to 95,606.64, 131,921.64 and 53,164.08

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Solution

The fourth proportional to 95,606.64, 131,921.64 and 53,164.08 is: 73,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,606.64 : 131,921.64 = 53,164.08 : x
  2. Step 2: Convert to fraction form
    95,606.64/131,921.64 = 53,164.08/x
  3. Step 3: Cross multiply
    95,606.64x = 131,921.64 × 53,164.08
  4. Step 4: Simplify right side
    95,606.64x = 7,013,492,622.69
  5. Step 5: Solve for x
    x = 7,013,492,622.69/95,606.64
  6. Step 6: Final answer
    x = 73,357.80

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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.