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Finding the Fourth Proportional to 133,483.70, 199,933.95 and 103,667.60

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Solution

The fourth proportional to 133,483.70, 199,933.95 and 103,667.60 is: 155,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,483.70 : 199,933.95 = 103,667.60 : x
  2. Step 2: Convert to fraction form
    133,483.70/199,933.95 = 103,667.60/x
  3. Step 3: Cross multiply
    133,483.70x = 199,933.95 × 103,667.60
  4. Step 4: Simplify right side
    133,483.70x = 20,726,672,755.02
  5. Step 5: Solve for x
    x = 20,726,672,755.02/133,483.70
  6. Step 6: Final answer
    x = 155,274.93

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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.