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Finding the Fourth Proportional to 95,939.61, 143,958.02 and 64,709.25

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Solution

The fourth proportional to 95,939.61, 143,958.02 and 64,709.25 is: 97,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,939.61 : 143,958.02 = 64,709.25 : x
  2. Step 2: Convert to fraction form
    95,939.61/143,958.02 = 64,709.25/x
  3. Step 3: Cross multiply
    95,939.61x = 143,958.02 × 64,709.25
  4. Step 4: Simplify right side
    95,939.61x = 9,315,415,182.14
  5. Step 5: Solve for x
    x = 9,315,415,182.14/95,939.61
  6. Step 6: Final answer
    x = 97,096.65

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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.