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Finding the Fourth Proportional to 92,650.88, 138,981.18 and 29,477.90

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Solution

The fourth proportional to 92,650.88, 138,981.18 and 29,477.90 is: 44,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,650.88 : 138,981.18 = 29,477.90 : x
  2. Step 2: Convert to fraction form
    92,650.88/138,981.18 = 29,477.90/x
  3. Step 3: Cross multiply
    92,650.88x = 138,981.18 × 29,477.90
  4. Step 4: Simplify right side
    92,650.88x = 4,096,873,325.92
  5. Step 5: Solve for x
    x = 4,096,873,325.92/92,650.88
  6. Step 6: Final answer
    x = 44,218.40

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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.