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Finding the Fourth Proportional to 92,687.41, 139,041.93 and 33,550.93

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Solution

The fourth proportional to 92,687.41, 139,041.93 and 33,550.93 is: 50,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687.41 : 139,041.93 = 33,550.93 : x
  2. Step 2: Convert to fraction form
    92,687.41/139,041.93 = 33,550.93/x
  3. Step 3: Cross multiply
    92,687.41x = 139,041.93 × 33,550.93
  4. Step 4: Simplify right side
    92,687.41x = 4,664,985,892.74
  5. Step 5: Solve for x
    x = 4,664,985,892.74/92,687.41
  6. Step 6: Final answer
    x = 50,330.31

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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.