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Finding the Fourth Proportional to 104,795.51, 144,617.67 and 57,049.11

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Solution

The fourth proportional to 104,795.51, 144,617.67 and 57,049.11 is: 78,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,795.51 : 144,617.67 = 57,049.11 : x
  2. Step 2: Convert to fraction form
    104,795.51/144,617.67 = 57,049.11/x
  3. Step 3: Cross multiply
    104,795.51x = 144,617.67 × 57,049.11
  4. Step 4: Simplify right side
    104,795.51x = 8,250,309,363.77
  5. Step 5: Solve for x
    x = 8,250,309,363.77/104,795.51
  6. Step 6: Final answer
    x = 78,727.70

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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.