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Finding the Fourth Proportional to 104,253.91, 143,872.60 and 58,929.18

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Solution

The fourth proportional to 104,253.91, 143,872.60 and 58,929.18 is: 81,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,253.91 : 143,872.60 = 58,929.18 : x
  2. Step 2: Convert to fraction form
    104,253.91/143,872.60 = 58,929.18/x
  3. Step 3: Cross multiply
    104,253.91x = 143,872.60 × 58,929.18
  4. Step 4: Simplify right side
    104,253.91x = 8,478,294,342.47
  5. Step 5: Solve for x
    x = 8,478,294,342.47/104,253.91
  6. Step 6: Final answer
    x = 81,323.51

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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.