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Finding the Fourth Proportional to 80,510.50, 111,107.96 and 44,700.52

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Solution

The fourth proportional to 80,510.50, 111,107.96 and 44,700.52 is: 61,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,510.50 : 111,107.96 = 44,700.52 : x
  2. Step 2: Convert to fraction form
    80,510.50/111,107.96 = 44,700.52/x
  3. Step 3: Cross multiply
    80,510.50x = 111,107.96 × 44,700.52
  4. Step 4: Simplify right side
    80,510.50x = 4,966,583,032.60
  5. Step 5: Solve for x
    x = 4,966,583,032.60/80,510.50
  6. Step 6: Final answer
    x = 61,688.64

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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.