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Finding the Fourth Proportional to 71,086.99, 106,712.50 and 36,100.46

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Solution

The fourth proportional to 71,086.99, 106,712.50 and 36,100.46 is: 54,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,086.99 : 106,712.50 = 36,100.46 : x
  2. Step 2: Convert to fraction form
    71,086.99/106,712.50 = 36,100.46/x
  3. Step 3: Cross multiply
    71,086.99x = 106,712.50 × 36,100.46
  4. Step 4: Simplify right side
    71,086.99x = 3,852,370,332.61
  5. Step 5: Solve for x
    x = 3,852,370,332.61/71,086.99
  6. Step 6: Final answer
    x = 54,192.34

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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.