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Finding the Fourth Proportional to 196,814.60, 295,250.70 and 103,327.40

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Solution

The fourth proportional to 196,814.60, 295,250.70 and 103,327.40 is: 155,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,814.60 : 295,250.70 = 103,327.40 : x
  2. Step 2: Convert to fraction form
    196,814.60/295,250.70 = 103,327.40/x
  3. Step 3: Cross multiply
    196,814.60x = 295,250.70 × 103,327.40
  4. Step 4: Simplify right side
    196,814.60x = 30,507,487,179.18
  5. Step 5: Solve for x
    x = 30,507,487,179.18/196,814.60
  6. Step 6: Final answer
    x = 155,006.22

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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.