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Finding the Fourth Proportional to 149,697.60, 224,546.40 and 60,905.40

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Solution

The fourth proportional to 149,697.60, 224,546.40 and 60,905.40 is: 91,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,697.60 : 224,546.40 = 60,905.40 : x
  2. Step 2: Convert to fraction form
    149,697.60/224,546.40 = 60,905.40/x
  3. Step 3: Cross multiply
    149,697.60x = 224,546.40 × 60,905.40
  4. Step 4: Simplify right side
    149,697.60x = 13,676,088,310.56
  5. Step 5: Solve for x
    x = 13,676,088,310.56/149,697.60
  6. Step 6: Final answer
    x = 91,358.10

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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.