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Finding the Fourth Proportional to 255,392.28, 383,026.77 and 113,158.94

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Solution

The fourth proportional to 255,392.28, 383,026.77 and 113,158.94 is: 169,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,392.28 : 383,026.77 = 113,158.94 : x
  2. Step 2: Convert to fraction form
    255,392.28/383,026.77 = 113,158.94/x
  3. Step 3: Cross multiply
    255,392.28x = 383,026.77 × 113,158.94
  4. Step 4: Simplify right side
    255,392.28x = 43,342,901,369.69
  5. Step 5: Solve for x
    x = 43,342,901,369.69/255,392.28
  6. Step 6: Final answer
    x = 169,711.09

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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.