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Finding the Fourth Proportional to 149,486.10, 224,152.20 and 44,291.40

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Solution

The fourth proportional to 149,486.10, 224,152.20 and 44,291.40 is: 66,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,486.10 : 224,152.20 = 44,291.40 : x
  2. Step 2: Convert to fraction form
    149,486.10/224,152.20 = 44,291.40/x
  3. Step 3: Cross multiply
    149,486.10x = 224,152.20 × 44,291.40
  4. Step 4: Simplify right side
    149,486.10x = 9,928,014,751.08
  5. Step 5: Solve for x
    x = 9,928,014,751.08/149,486.10
  6. Step 6: Final answer
    x = 66,414.30

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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.