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Finding the Fourth Proportional to 104,662.65, 144,446.63 and 58,734.93

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Solution

The fourth proportional to 104,662.65, 144,446.63 and 58,734.93 is: 81,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.65 : 144,446.63 = 58,734.93 : x
  2. Step 2: Convert to fraction form
    104,662.65/144,446.63 = 58,734.93/x
  3. Step 3: Cross multiply
    104,662.65x = 144,446.63 × 58,734.93
  4. Step 4: Simplify right side
    104,662.65x = 8,484,062,408.11
  5. Step 5: Solve for x
    x = 8,484,062,408.11/104,662.65
  6. Step 6: Final answer
    x = 81,061.03

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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.