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Finding the Fourth Proportional to 71,095.97, 106,665.98 and 42,664.68

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Solution

The fourth proportional to 71,095.97, 106,665.98 and 42,664.68 is: 64,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,095.97 : 106,665.98 = 42,664.68 : x
  2. Step 2: Convert to fraction form
    71,095.97/106,665.98 = 42,664.68/x
  3. Step 3: Cross multiply
    71,095.97x = 106,665.98 × 42,664.68
  4. Step 4: Simplify right side
    71,095.97x = 4,550,869,690.26
  5. Step 5: Solve for x
    x = 4,550,869,690.26/71,095.97
  6. Step 6: Final answer
    x = 64,010.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.