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Finding the Fourth Proportional to 100,807.80, 151,065.90 and 44,601.90

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Solution

The fourth proportional to 100,807.80, 151,065.90 and 44,601.90 is: 66,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,807.80 : 151,065.90 = 44,601.90 : x
  2. Step 2: Convert to fraction form
    100,807.80/151,065.90 = 44,601.90/x
  3. Step 3: Cross multiply
    100,807.80x = 151,065.90 × 44,601.90
  4. Step 4: Simplify right side
    100,807.80x = 6,737,826,165.21
  5. Step 5: Solve for x
    x = 6,737,826,165.21/100,807.80
  6. Step 6: Final answer
    x = 66,838.34

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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.