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Finding the Fourth Proportional to 104,797.02, 144,619.29 and 57,051.30

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Solution

The fourth proportional to 104,797.02, 144,619.29 and 57,051.30 is: 78,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,797.02 : 144,619.29 = 57,051.30 : x
  2. Step 2: Convert to fraction form
    104,797.02/144,619.29 = 57,051.30/x
  3. Step 3: Cross multiply
    104,797.02x = 144,619.29 × 57,051.30
  4. Step 4: Simplify right side
    104,797.02x = 8,250,718,499.58
  5. Step 5: Solve for x
    x = 8,250,718,499.58/104,797.02
  6. Step 6: Final answer
    x = 78,730.47

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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.