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Finding the Fourth Proportional to 188,167.66, 259,662.51 and 102,124.70

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Solution

The fourth proportional to 188,167.66, 259,662.51 and 102,124.70 is: 140,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,167.66 : 259,662.51 = 102,124.70 : x
  2. Step 2: Convert to fraction form
    188,167.66/259,662.51 = 102,124.70/x
  3. Step 3: Cross multiply
    188,167.66x = 259,662.51 × 102,124.70
  4. Step 4: Simplify right side
    188,167.66x = 26,517,955,610.42
  5. Step 5: Solve for x
    x = 26,517,955,610.42/188,167.66
  6. Step 6: Final answer
    x = 140,927.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.