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Finding the Fourth Proportional to 235,857.06, 325,801.17 and 188,442.90

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Solution

The fourth proportional to 235,857.06, 325,801.17 and 188,442.90 is: 260,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,857.06 : 325,801.17 = 188,442.90 : x
  2. Step 2: Convert to fraction form
    235,857.06/325,801.17 = 188,442.90/x
  3. Step 3: Cross multiply
    235,857.06x = 325,801.17 × 188,442.90
  4. Step 4: Simplify right side
    235,857.06x = 61,394,917,298.19
  5. Step 5: Solve for x
    x = 61,394,917,298.19/235,857.06
  6. Step 6: Final answer
    x = 260,305.62

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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.