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Finding the Fourth Proportional to 251,513.60, 377,140.80 and 93,660.80

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Solution

The fourth proportional to 251,513.60, 377,140.80 and 93,660.80 is: 140,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,513.60 : 377,140.80 = 93,660.80 : x
  2. Step 2: Convert to fraction form
    251,513.60/377,140.80 = 93,660.80/x
  3. Step 3: Cross multiply
    251,513.60x = 377,140.80 × 93,660.80
  4. Step 4: Simplify right side
    251,513.60x = 35,323,309,040.64
  5. Step 5: Solve for x
    x = 35,323,309,040.64/251,513.60
  6. Step 6: Final answer
    x = 140,442.94

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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.