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Finding the Fourth Proportional to 149,672.40, 224,508.60 and 144,423.60

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Solution

The fourth proportional to 149,672.40, 224,508.60 and 144,423.60 is: 216,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672.40 : 224,508.60 = 144,423.60 : x
  2. Step 2: Convert to fraction form
    149,672.40/224,508.60 = 144,423.60/x
  3. Step 3: Cross multiply
    149,672.40x = 224,508.60 × 144,423.60
  4. Step 4: Simplify right side
    149,672.40x = 32,424,340,242.96
  5. Step 5: Solve for x
    x = 32,424,340,242.96/149,672.40
  6. Step 6: Final answer
    x = 216,635.40

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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.