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Finding the Fourth Proportional to 104,216.95, 143,819.52 and 56,470.29

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Solution

The fourth proportional to 104,216.95, 143,819.52 and 56,470.29 is: 77,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,216.95 : 143,819.52 = 56,470.29 : x
  2. Step 2: Convert to fraction form
    104,216.95/143,819.52 = 56,470.29/x
  3. Step 3: Cross multiply
    104,216.95x = 143,819.52 × 56,470.29
  4. Step 4: Simplify right side
    104,216.95x = 8,121,530,002.06
  5. Step 5: Solve for x
    x = 8,121,530,002.06/104,216.95
  6. Step 6: Final answer
    x = 77,929.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.