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Finding the Fourth Proportional to 79,973.28, 119,807.28 and 44,806.56

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Solution

The fourth proportional to 79,973.28, 119,807.28 and 44,806.56 is: 67,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,973.28 : 119,807.28 = 44,806.56 : x
  2. Step 2: Convert to fraction form
    79,973.28/119,807.28 = 44,806.56/x
  3. Step 3: Cross multiply
    79,973.28x = 119,807.28 × 44,806.56
  4. Step 4: Simplify right side
    79,973.28x = 5,368,152,079.76
  5. Step 5: Solve for x
    x = 5,368,152,079.76/79,973.28
  6. Step 6: Final answer
    x = 67,124.32

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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.