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Finding the Fourth Proportional to 154,984.44, 232,578.90 and 56,488.44

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Solution

The fourth proportional to 154,984.44, 232,578.90 and 56,488.44 is: 84,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,984.44 : 232,578.90 = 56,488.44 : x
  2. Step 2: Convert to fraction form
    154,984.44/232,578.90 = 56,488.44/x
  3. Step 3: Cross multiply
    154,984.44x = 232,578.90 × 56,488.44
  4. Step 4: Simplify right side
    154,984.44x = 13,138,019,237.92
  5. Step 5: Solve for x
    x = 13,138,019,237.92/154,984.44
  6. Step 6: Final answer
    x = 84,769.92

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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.