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Finding the Fourth Proportional to 93,046.21, 139,516.46 and 63,499.84

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Solution

The fourth proportional to 93,046.21, 139,516.46 and 63,499.84 is: 95,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,046.21 : 139,516.46 = 63,499.84 : x
  2. Step 2: Convert to fraction form
    93,046.21/139,516.46 = 63,499.84/x
  3. Step 3: Cross multiply
    93,046.21x = 139,516.46 × 63,499.84
  4. Step 4: Simplify right side
    93,046.21x = 8,859,272,887.37
  5. Step 5: Solve for x
    x = 8,859,272,887.37/93,046.21
  6. Step 6: Final answer
    x = 95,213.69

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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.