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Finding the Fourth Proportional to 94,876.80, 142,205.64 and 35,674.71

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Solution

The fourth proportional to 94,876.80, 142,205.64 and 35,674.71 is: 53,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,876.80 : 142,205.64 = 35,674.71 : x
  2. Step 2: Convert to fraction form
    94,876.80/142,205.64 = 35,674.71/x
  3. Step 3: Cross multiply
    94,876.80x = 142,205.64 × 35,674.71
  4. Step 4: Simplify right side
    94,876.80x = 5,073,144,967.36
  5. Step 5: Solve for x
    x = 5,073,144,967.36/94,876.80
  6. Step 6: Final answer
    x = 53,470.87

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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.