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Finding the Fourth Proportional to 104,809.70, 157,214.55 and 62,819.30

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Solution

The fourth proportional to 104,809.70, 157,214.55 and 62,819.30 is: 94,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,809.70 : 157,214.55 = 62,819.30 : x
  2. Step 2: Convert to fraction form
    104,809.70/157,214.55 = 62,819.30/x
  3. Step 3: Cross multiply
    104,809.70x = 157,214.55 × 62,819.30
  4. Step 4: Simplify right side
    104,809.70x = 9,876,107,980.82
  5. Step 5: Solve for x
    x = 9,876,107,980.82/104,809.70
  6. Step 6: Final answer
    x = 94,228.95

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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.