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Finding the Fourth Proportional to 190,791.92, 286,187.88 and 66,132.92

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Solution

The fourth proportional to 190,791.92, 286,187.88 and 66,132.92 is: 99,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,791.92 : 286,187.88 = 66,132.92 : x
  2. Step 2: Convert to fraction form
    190,791.92/286,187.88 = 66,132.92/x
  3. Step 3: Cross multiply
    190,791.92x = 286,187.88 × 66,132.92
  4. Step 4: Simplify right side
    190,791.92x = 18,926,440,173.01
  5. Step 5: Solve for x
    x = 18,926,440,173.01/190,791.92
  6. Step 6: Final answer
    x = 99,199.38

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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.