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Finding the Fourth Proportional to 103,630.60, 155,467.98 and 33,507.40

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Solution

The fourth proportional to 103,630.60, 155,467.98 and 33,507.40 is: 50,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.60 : 155,467.98 = 33,507.40 : x
  2. Step 2: Convert to fraction form
    103,630.60/155,467.98 = 33,507.40/x
  3. Step 3: Cross multiply
    103,630.60x = 155,467.98 × 33,507.40
  4. Step 4: Simplify right side
    103,630.60x = 5,209,327,793.05
  5. Step 5: Solve for x
    x = 5,209,327,793.05/103,630.60
  6. Step 6: Final answer
    x = 50,268.24

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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.