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Finding the Fourth Proportional to 255,037.58, 382,113.03 and 178,974.80

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Solution

The fourth proportional to 255,037.58, 382,113.03 and 178,974.80 is: 268,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,037.58 : 382,113.03 = 178,974.80 : x
  2. Step 2: Convert to fraction form
    255,037.58/382,113.03 = 178,974.80/x
  3. Step 3: Cross multiply
    255,037.58x = 382,113.03 × 178,974.80
  4. Step 4: Simplify right side
    255,037.58x = 68,388,604,748.08
  5. Step 5: Solve for x
    x = 68,388,604,748.08/255,037.58
  6. Step 6: Final answer
    x = 268,151.09

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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.