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Finding the Fourth Proportional to 73,684.80, 110,527.20 and 54,050.40

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Solution

The fourth proportional to 73,684.80, 110,527.20 and 54,050.40 is: 81,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,684.80 : 110,527.20 = 54,050.40 : x
  2. Step 2: Convert to fraction form
    73,684.80/110,527.20 = 54,050.40/x
  3. Step 3: Cross multiply
    73,684.80x = 110,527.20 × 54,050.40
  4. Step 4: Simplify right side
    73,684.80x = 5,974,039,370.88
  5. Step 5: Solve for x
    x = 5,974,039,370.88/73,684.80
  6. Step 6: Final answer
    x = 81,075.60

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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.