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Finding the Fourth Proportional to 104,488.89, 156,733.33 and 25,602.43

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Solution

The fourth proportional to 104,488.89, 156,733.33 and 25,602.43 is: 38,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,488.89 : 156,733.33 = 25,602.43 : x
  2. Step 2: Convert to fraction form
    104,488.89/156,733.33 = 25,602.43/x
  3. Step 3: Cross multiply
    104,488.89x = 156,733.33 × 25,602.43
  4. Step 4: Simplify right side
    104,488.89x = 4,012,754,109.99
  5. Step 5: Solve for x
    x = 4,012,754,109.99/104,488.89
  6. Step 6: Final answer
    x = 38,403.64

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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.