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Finding the Fourth Proportional to 63,407.80, 95,076.08 and 43,439.84

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Solution

The fourth proportional to 63,407.80, 95,076.08 and 43,439.84 is: 65,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,407.80 : 95,076.08 = 43,439.84 : x
  2. Step 2: Convert to fraction form
    63,407.80/95,076.08 = 43,439.84/x
  3. Step 3: Cross multiply
    63,407.80x = 95,076.08 × 43,439.84
  4. Step 4: Simplify right side
    63,407.80x = 4,130,089,703.03
  5. Step 5: Solve for x
    x = 4,130,089,703.03/63,407.80
  6. Step 6: Final answer
    x = 65,135.36

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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.