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Finding the Fourth Proportional to 133,195.60, 199,821.35 and 38,425.60

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Solution

The fourth proportional to 133,195.60, 199,821.35 and 38,425.60 is: 57,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,195.60 : 199,821.35 = 38,425.60 : x
  2. Step 2: Convert to fraction form
    133,195.60/199,821.35 = 38,425.60/x
  3. Step 3: Cross multiply
    133,195.60x = 199,821.35 × 38,425.60
  4. Step 4: Simplify right side
    133,195.60x = 7,678,255,266.56
  5. Step 5: Solve for x
    x = 7,678,255,266.56/133,195.60
  6. Step 6: Final answer
    x = 57,646.46

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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.