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Finding the Fourth Proportional to 149,522.40, 224,283.60 and 137,712.60

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Solution

The fourth proportional to 149,522.40, 224,283.60 and 137,712.60 is: 206,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,522.40 : 224,283.60 = 137,712.60 : x
  2. Step 2: Convert to fraction form
    149,522.40/224,283.60 = 137,712.60/x
  3. Step 3: Cross multiply
    149,522.40x = 224,283.60 × 137,712.60
  4. Step 4: Simplify right side
    149,522.40x = 30,886,677,693.36
  5. Step 5: Solve for x
    x = 30,886,677,693.36/149,522.40
  6. Step 6: Final answer
    x = 206,568.90

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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.