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Finding the Fourth Proportional to 93,168.57, 139,733.22 and 29,994.33

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Solution

The fourth proportional to 93,168.57, 139,733.22 and 29,994.33 is: 44,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,168.57 : 139,733.22 = 29,994.33 : x
  2. Step 2: Convert to fraction form
    93,168.57/139,733.22 = 29,994.33/x
  3. Step 3: Cross multiply
    93,168.57x = 139,733.22 × 29,994.33
  4. Step 4: Simplify right side
    93,168.57x = 4,191,203,613.98
  5. Step 5: Solve for x
    x = 4,191,203,613.98/93,168.57
  6. Step 6: Final answer
    x = 44,985.17

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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.