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Finding the Fourth Proportional to 188,857.60, 283,505.10 and 114,062.20

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Solution

The fourth proportional to 188,857.60, 283,505.10 and 114,062.20 is: 171,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,857.60 : 283,505.10 = 114,062.20 : x
  2. Step 2: Convert to fraction form
    188,857.60/283,505.10 = 114,062.20/x
  3. Step 3: Cross multiply
    188,857.60x = 283,505.10 × 114,062.20
  4. Step 4: Simplify right side
    188,857.60x = 32,337,215,417.22
  5. Step 5: Solve for x
    x = 32,337,215,417.22/188,857.60
  6. Step 6: Final answer
    x = 171,225.39

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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.