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Finding the Fourth Proportional to 64,256.80, 96,337.20 and 33,114.40

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Solution

The fourth proportional to 64,256.80, 96,337.20 and 33,114.40 is: 49,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,256.80 : 96,337.20 = 33,114.40 : x
  2. Step 2: Convert to fraction form
    64,256.80/96,337.20 = 33,114.40/x
  3. Step 3: Cross multiply
    64,256.80x = 96,337.20 × 33,114.40
  4. Step 4: Simplify right side
    64,256.80x = 3,190,148,575.68
  5. Step 5: Solve for x
    x = 3,190,148,575.68/64,256.80
  6. Step 6: Final answer
    x = 49,646.86

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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.