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Finding the Fourth Proportional to 190,850.60, 286,275.90 and 181,227.80

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Solution

The fourth proportional to 190,850.60, 286,275.90 and 181,227.80 is: 271,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,850.60 : 286,275.90 = 181,227.80 : x
  2. Step 2: Convert to fraction form
    190,850.60/286,275.90 = 181,227.80/x
  3. Step 3: Cross multiply
    190,850.60x = 286,275.90 × 181,227.80
  4. Step 4: Simplify right side
    190,850.60x = 51,881,151,550.02
  5. Step 5: Solve for x
    x = 51,881,151,550.02/190,850.60
  6. Step 6: Final answer
    x = 271,841.70

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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.