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Finding the Fourth Proportional to 79,903.42, 110,270.08 and 45,911.36

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Solution

The fourth proportional to 79,903.42, 110,270.08 and 45,911.36 is: 63,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.42 : 110,270.08 = 45,911.36 : x
  2. Step 2: Convert to fraction form
    79,903.42/110,270.08 = 45,911.36/x
  3. Step 3: Cross multiply
    79,903.42x = 110,270.08 × 45,911.36
  4. Step 4: Simplify right side
    79,903.42x = 5,062,649,340.11
  5. Step 5: Solve for x
    x = 5,062,649,340.11/79,903.42
  6. Step 6: Final answer
    x = 63,359.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.