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Finding the Fourth Proportional to 152,860.80, 228,772.80 and 134,198.40

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Solution

The fourth proportional to 152,860.80, 228,772.80 and 134,198.40 is: 200,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,860.80 : 228,772.80 = 134,198.40 : x
  2. Step 2: Convert to fraction form
    152,860.80/228,772.80 = 134,198.40/x
  3. Step 3: Cross multiply
    152,860.80x = 228,772.80 × 134,198.40
  4. Step 4: Simplify right side
    152,860.80x = 30,700,943,723.52
  5. Step 5: Solve for x
    x = 30,700,943,723.52/152,860.80
  6. Step 6: Final answer
    x = 200,842.49

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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.