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Finding the Fourth Proportional to 235,203.72, 352,346.28 and 187,917.12

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Solution

The fourth proportional to 235,203.72, 352,346.28 and 187,917.12 is: 281,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,203.72 : 352,346.28 = 187,917.12 : x
  2. Step 2: Convert to fraction form
    235,203.72/352,346.28 = 187,917.12/x
  3. Step 3: Cross multiply
    235,203.72x = 352,346.28 × 187,917.12
  4. Step 4: Simplify right side
    235,203.72x = 66,211,898,180.31
  5. Step 5: Solve for x
    x = 66,211,898,180.31/235,203.72
  6. Step 6: Final answer
    x = 281,508.72

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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.