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Finding the Fourth Proportional to 219,568.80, 329,353.32 and 61,797.25

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Solution

The fourth proportional to 219,568.80, 329,353.32 and 61,797.25 is: 92,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,568.80 : 329,353.32 = 61,797.25 : x
  2. Step 2: Convert to fraction form
    219,568.80/329,353.32 = 61,797.25/x
  3. Step 3: Cross multiply
    219,568.80x = 329,353.32 × 61,797.25
  4. Step 4: Simplify right side
    219,568.80x = 20,353,130,502.69
  5. Step 5: Solve for x
    x = 20,353,130,502.69/219,568.80
  6. Step 6: Final answer
    x = 92,695.91

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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.