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Finding the Fourth Proportional to 79,847.84, 119,800 and 35,470.56

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Solution

The fourth proportional to 79,847.84, 119,800 and 35,470.56 is: 53,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,847.84 : 119,800 = 35,470.56 : x
  2. Step 2: Convert to fraction form
    79,847.84/119,800 = 35,470.56/x
  3. Step 3: Cross multiply
    79,847.84x = 119,800 × 35,470.56
  4. Step 4: Simplify right side
    79,847.84x = 4,249,373,088.00
  5. Step 5: Solve for x
    x = 4,249,373,088.00/79,847.84
  6. Step 6: Final answer
    x = 53,218.38

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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.