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Finding the Fourth Proportional to 367,176.80, 550,732.80 and 100,913.60

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Solution

The fourth proportional to 367,176.80, 550,732.80 and 100,913.60 is: 151,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,176.80 : 550,732.80 = 100,913.60 : x
  2. Step 2: Convert to fraction form
    367,176.80/550,732.80 = 100,913.60/x
  3. Step 3: Cross multiply
    367,176.80x = 550,732.80 × 100,913.60
  4. Step 4: Simplify right side
    367,176.80x = 55,576,429,486.08
  5. Step 5: Solve for x
    x = 55,576,429,486.08/367,176.80
  6. Step 6: Final answer
    x = 151,361.50

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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.