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Finding the Fourth Proportional to 149,451.25, 224,128.12 and 49,584.63

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Solution

The fourth proportional to 149,451.25, 224,128.12 and 49,584.63 is: 74,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,451.25 : 224,128.12 = 49,584.63 : x
  2. Step 2: Convert to fraction form
    149,451.25/224,128.12 = 49,584.63/x
  3. Step 3: Cross multiply
    149,451.25x = 224,128.12 × 49,584.63
  4. Step 4: Simplify right side
    149,451.25x = 11,113,309,654.87
  5. Step 5: Solve for x
    x = 11,113,309,654.87/149,451.25
  6. Step 6: Final answer
    x = 74,360.77

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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.