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Finding the Fourth Proportional to 133,774.60, 200,661.90 and 127,213.60

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Solution

The fourth proportional to 133,774.60, 200,661.90 and 127,213.60 is: 190,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774.60 : 200,661.90 = 127,213.60 : x
  2. Step 2: Convert to fraction form
    133,774.60/200,661.90 = 127,213.60/x
  3. Step 3: Cross multiply
    133,774.60x = 200,661.90 × 127,213.60
  4. Step 4: Simplify right side
    133,774.60x = 25,526,922,681.84
  5. Step 5: Solve for x
    x = 25,526,922,681.84/133,774.60
  6. Step 6: Final answer
    x = 190,820.40

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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.