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Finding the Fourth Proportional to 64,274.08, 96,559.12 and 45,600.48

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Solution

The fourth proportional to 64,274.08, 96,559.12 and 45,600.48 is: 68,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,274.08 : 96,559.12 = 45,600.48 : x
  2. Step 2: Convert to fraction form
    64,274.08/96,559.12 = 45,600.48/x
  3. Step 3: Cross multiply
    64,274.08x = 96,559.12 × 45,600.48
  4. Step 4: Simplify right side
    64,274.08x = 4,403,142,220.38
  5. Step 5: Solve for x
    x = 4,403,142,220.38/64,274.08
  6. Step 6: Final answer
    x = 68,505.72

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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.