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Finding the Fourth Proportional to 251,639.60, 377,329.80 and 93,786.80

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Solution

The fourth proportional to 251,639.60, 377,329.80 and 93,786.80 is: 140,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,639.60 : 377,329.80 = 93,786.80 : x
  2. Step 2: Convert to fraction form
    251,639.60/377,329.80 = 93,786.80/x
  3. Step 3: Cross multiply
    251,639.60x = 377,329.80 × 93,786.80
  4. Step 4: Simplify right side
    251,639.60x = 35,388,554,486.64
  5. Step 5: Solve for x
    x = 35,388,554,486.64/251,639.60
  6. Step 6: Final answer
    x = 140,631.90

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1.5x scale

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.