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Finding the Fourth Proportional to 79,602.20, 109,851.95 and 45,610

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Solution

The fourth proportional to 79,602.20, 109,851.95 and 45,610 is: 62,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,602.20 : 109,851.95 = 45,610 : x
  2. Step 2: Convert to fraction form
    79,602.20/109,851.95 = 45,610/x
  3. Step 3: Cross multiply
    79,602.20x = 109,851.95 × 45,610
  4. Step 4: Simplify right side
    79,602.20x = 5,010,347,439.50
  5. Step 5: Solve for x
    x = 5,010,347,439.50/79,602.20
  6. Step 6: Final answer
    x = 62,942.32

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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.