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Finding the Fourth Proportional to 73,783.20, 110,660.40 and 24,535.20

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Solution

The fourth proportional to 73,783.20, 110,660.40 and 24,535.20 is: 36,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,783.20 : 110,660.40 = 24,535.20 : x
  2. Step 2: Convert to fraction form
    73,783.20/110,660.40 = 24,535.20/x
  3. Step 3: Cross multiply
    73,783.20x = 110,660.40 × 24,535.20
  4. Step 4: Simplify right side
    73,783.20x = 2,715,075,046.08
  5. Step 5: Solve for x
    x = 2,715,075,046.08/73,783.20
  6. Step 6: Final answer
    x = 36,798.01

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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.