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Finding the Fourth Proportional to 79,756.58, 119,422.11 and 63,150.50

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Solution

The fourth proportional to 79,756.58, 119,422.11 and 63,150.50 is: 94,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,756.58 : 119,422.11 = 63,150.50 : x
  2. Step 2: Convert to fraction form
    79,756.58/119,422.11 = 63,150.50/x
  3. Step 3: Cross multiply
    79,756.58x = 119,422.11 × 63,150.50
  4. Step 4: Simplify right side
    79,756.58x = 7,541,565,957.56
  5. Step 5: Solve for x
    x = 7,541,565,957.56/79,756.58
  6. Step 6: Final answer
    x = 94,557.29

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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.