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Finding the Fourth Proportional to 64,196.85, 96,243.10 and 26,784.79

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Solution

The fourth proportional to 64,196.85, 96,243.10 and 26,784.79 is: 40,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,196.85 : 96,243.10 = 26,784.79 : x
  2. Step 2: Convert to fraction form
    64,196.85/96,243.10 = 26,784.79/x
  3. Step 3: Cross multiply
    64,196.85x = 96,243.10 × 26,784.79
  4. Step 4: Simplify right side
    64,196.85x = 2,577,851,222.45
  5. Step 5: Solve for x
    x = 2,577,851,222.45/64,196.85
  6. Step 6: Final answer
    x = 40,155.42

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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.