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Finding the Fourth Proportional to 219,852.22, 329,555.44 and 86,826.19

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Solution

The fourth proportional to 219,852.22, 329,555.44 and 86,826.19 is: 130,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,852.22 : 329,555.44 = 86,826.19 : x
  2. Step 2: Convert to fraction form
    219,852.22/329,555.44 = 86,826.19/x
  3. Step 3: Cross multiply
    219,852.22x = 329,555.44 × 86,826.19
  4. Step 4: Simplify right side
    219,852.22x = 28,614,043,248.97
  5. Step 5: Solve for x
    x = 28,614,043,248.97/219,852.22
  6. Step 6: Final answer
    x = 130,151.26

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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.