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Finding the Fourth Proportional to 250,205.60, 375,178.80 and 92,352.80

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Solution

The fourth proportional to 250,205.60, 375,178.80 and 92,352.80 is: 138,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,205.60 : 375,178.80 = 92,352.80 : x
  2. Step 2: Convert to fraction form
    250,205.60/375,178.80 = 92,352.80/x
  3. Step 3: Cross multiply
    250,205.60x = 375,178.80 × 92,352.80
  4. Step 4: Simplify right side
    250,205.60x = 34,648,812,680.64
  5. Step 5: Solve for x
    x = 34,648,812,680.64/250,205.60
  6. Step 6: Final answer
    x = 138,481.36

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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.