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Finding the Fourth Proportional to 92,791.94, 139,119.75 and 29,575.69

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Solution

The fourth proportional to 92,791.94, 139,119.75 and 29,575.69 is: 44,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,791.94 : 139,119.75 = 29,575.69 : x
  2. Step 2: Convert to fraction form
    92,791.94/139,119.75 = 29,575.69/x
  3. Step 3: Cross multiply
    92,791.94x = 139,119.75 × 29,575.69
  4. Step 4: Simplify right side
    92,791.94x = 4,114,562,598.88
  5. Step 5: Solve for x
    x = 4,114,562,598.88/92,791.94
  6. Step 6: Final answer
    x = 44,341.81

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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.