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Finding the Fourth Proportional to 93,314.85, 139,906.67 and 43,341.90

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Solution

The fourth proportional to 93,314.85, 139,906.67 and 43,341.90 is: 64,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,314.85 : 139,906.67 = 43,341.90 : x
  2. Step 2: Convert to fraction form
    93,314.85/139,906.67 = 43,341.90/x
  3. Step 3: Cross multiply
    93,314.85x = 139,906.67 × 43,341.90
  4. Step 4: Simplify right side
    93,314.85x = 6,063,820,683.76
  5. Step 5: Solve for x
    x = 6,063,820,683.76/93,314.85
  6. Step 6: Final answer
    x = 64,982.38

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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.