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Finding the Fourth Proportional to 219,371.76, 329,230.74 and 112,751.46

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Solution

The fourth proportional to 219,371.76, 329,230.74 and 112,751.46 is: 169,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,371.76 : 329,230.74 = 112,751.46 : x
  2. Step 2: Convert to fraction form
    219,371.76/329,230.74 = 112,751.46/x
  3. Step 3: Cross multiply
    219,371.76x = 329,230.74 × 112,751.46
  4. Step 4: Simplify right side
    219,371.76x = 37,121,246,611.88
  5. Step 5: Solve for x
    x = 37,121,246,611.88/219,371.76
  6. Step 6: Final answer
    x = 169,216.16

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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.