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Finding the Fourth Proportional to 73,871.80, 110,807.70 and 44,274.40

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Solution

The fourth proportional to 73,871.80, 110,807.70 and 44,274.40 is: 66,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,871.80 : 110,807.70 = 44,274.40 : x
  2. Step 2: Convert to fraction form
    73,871.80/110,807.70 = 44,274.40/x
  3. Step 3: Cross multiply
    73,871.80x = 110,807.70 × 44,274.40
  4. Step 4: Simplify right side
    73,871.80x = 4,905,944,432.88
  5. Step 5: Solve for x
    x = 4,905,944,432.88/73,871.80
  6. Step 6: Final answer
    x = 66,411.60

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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.