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Finding the Fourth Proportional to 149,751.40, 224,627.10 and 38,943.40

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Solution

The fourth proportional to 149,751.40, 224,627.10 and 38,943.40 is: 58,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,751.40 : 224,627.10 = 38,943.40 : x
  2. Step 2: Convert to fraction form
    149,751.40/224,627.10 = 38,943.40/x
  3. Step 3: Cross multiply
    149,751.40x = 224,627.10 × 38,943.40
  4. Step 4: Simplify right side
    149,751.40x = 8,747,743,006.14
  5. Step 5: Solve for x
    x = 8,747,743,006.14/149,751.40
  6. Step 6: Final answer
    x = 58,415.10

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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.