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Finding the Fourth Proportional to 235,612.64, 325,116.24 and 159,297.92

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Solution

The fourth proportional to 235,612.64, 325,116.24 and 159,297.92 is: 219,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,612.64 : 325,116.24 = 159,297.92 : x
  2. Step 2: Convert to fraction form
    235,612.64/325,116.24 = 159,297.92/x
  3. Step 3: Cross multiply
    235,612.64x = 325,116.24 × 159,297.92
  4. Step 4: Simplify right side
    235,612.64x = 51,790,340,790.22
  5. Step 5: Solve for x
    x = 51,790,340,790.22/235,612.64
  6. Step 6: Final answer
    x = 219,811.39

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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.