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Finding the Fourth Proportional to 251,292.60, 376,809.30 and 93,439.80

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Solution

The fourth proportional to 251,292.60, 376,809.30 and 93,439.80 is: 140,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,292.60 : 376,809.30 = 93,439.80 : x
  2. Step 2: Convert to fraction form
    251,292.60/376,809.30 = 93,439.80/x
  3. Step 3: Cross multiply
    251,292.60x = 376,809.30 × 93,439.80
  4. Step 4: Simplify right side
    251,292.60x = 35,208,985,630.14
  5. Step 5: Solve for x
    x = 35,208,985,630.14/251,292.60
  6. Step 6: Final answer
    x = 140,111.51

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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.