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Finding the Fourth Proportional to 104,479.30, 156,742.59 and 34,359.22

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Solution

The fourth proportional to 104,479.30, 156,742.59 and 34,359.22 is: 51,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.30 : 156,742.59 = 34,359.22 : x
  2. Step 2: Convert to fraction form
    104,479.30/156,742.59 = 34,359.22/x
  3. Step 3: Cross multiply
    104,479.30x = 156,742.59 × 34,359.22
  4. Step 4: Simplify right side
    104,479.30x = 5,385,553,133.18
  5. Step 5: Solve for x
    x = 5,385,553,133.18/104,479.30
  6. Step 6: Final answer
    x = 51,546.60

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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.