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Finding the Fourth Proportional to 149,636.20, 224,454.30 and 38,828.20

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Solution

The fourth proportional to 149,636.20, 224,454.30 and 38,828.20 is: 58,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,636.20 : 224,454.30 = 38,828.20 : x
  2. Step 2: Convert to fraction form
    149,636.20/224,454.30 = 38,828.20/x
  3. Step 3: Cross multiply
    149,636.20x = 224,454.30 × 38,828.20
  4. Step 4: Simplify right side
    149,636.20x = 8,715,156,451.26
  5. Step 5: Solve for x
    x = 8,715,156,451.26/149,636.20
  6. Step 6: Final answer
    x = 58,242.30

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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.