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Finding the Fourth Proportional to 103,498.40, 155,247.60 and 29,626.40

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Solution

The fourth proportional to 103,498.40, 155,247.60 and 29,626.40 is: 44,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,498.40 : 155,247.60 = 29,626.40 : x
  2. Step 2: Convert to fraction form
    103,498.40/155,247.60 = 29,626.40/x
  3. Step 3: Cross multiply
    103,498.40x = 155,247.60 × 29,626.40
  4. Step 4: Simplify right side
    103,498.40x = 4,599,427,496.64
  5. Step 5: Solve for x
    x = 4,599,427,496.64/103,498.40
  6. Step 6: Final answer
    x = 44,439.60

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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.