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Finding the Fourth Proportional to 95,679.01, 143,554.97 and 43,076.40

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Solution

The fourth proportional to 95,679.01, 143,554.97 and 43,076.40 is: 64,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,679.01 : 143,554.97 = 43,076.40 : x
  2. Step 2: Convert to fraction form
    95,679.01/143,554.97 = 43,076.40/x
  3. Step 3: Cross multiply
    95,679.01x = 143,554.97 × 43,076.40
  4. Step 4: Simplify right side
    95,679.01x = 6,183,831,309.71
  5. Step 5: Solve for x
    x = 6,183,831,309.71/95,679.01
  6. Step 6: Final answer
    x = 64,631.01

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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.