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Finding the Fourth Proportional to 63,743.80, 95,615.70 and 53,606.20

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Solution

The fourth proportional to 63,743.80, 95,615.70 and 53,606.20 is: 80,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,743.80 : 95,615.70 = 53,606.20 : x
  2. Step 2: Convert to fraction form
    63,743.80/95,615.70 = 53,606.20/x
  3. Step 3: Cross multiply
    63,743.80x = 95,615.70 × 53,606.20
  4. Step 4: Simplify right side
    63,743.80x = 5,125,594,337.34
  5. Step 5: Solve for x
    x = 5,125,594,337.34/63,743.80
  6. Step 6: Final answer
    x = 80,409.30

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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.