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Finding the Fourth Proportional to 104,579.36, 156,888.48 and 34,461.44

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Solution

The fourth proportional to 104,579.36, 156,888.48 and 34,461.44 is: 51,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.36 : 156,888.48 = 34,461.44 : x
  2. Step 2: Convert to fraction form
    104,579.36/156,888.48 = 34,461.44/x
  3. Step 3: Cross multiply
    104,579.36x = 156,888.48 × 34,461.44
  4. Step 4: Simplify right side
    104,579.36x = 5,406,602,940.21
  5. Step 5: Solve for x
    x = 5,406,602,940.21/104,579.36
  6. Step 6: Final answer
    x = 51,698.57

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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.