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Finding the Fourth Proportional to 92,746.88, 139,131.12 and 29,544.80

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Solution

The fourth proportional to 92,746.88, 139,131.12 and 29,544.80 is: 44,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,746.88 : 139,131.12 = 29,544.80 : x
  2. Step 2: Convert to fraction form
    92,746.88/139,131.12 = 29,544.80/x
  3. Step 3: Cross multiply
    92,746.88x = 139,131.12 × 29,544.80
  4. Step 4: Simplify right side
    92,746.88x = 4,110,601,114.18
  5. Step 5: Solve for x
    x = 4,110,601,114.18/92,746.88
  6. Step 6: Final answer
    x = 44,320.64

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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.