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Finding the Fourth Proportional to 93,144.44, 139,606.65 and 39,820.83

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Solution

The fourth proportional to 93,144.44, 139,606.65 and 39,820.83 is: 59,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.44 : 139,606.65 = 39,820.83 : x
  2. Step 2: Convert to fraction form
    93,144.44/139,606.65 = 39,820.83/x
  3. Step 3: Cross multiply
    93,144.44x = 139,606.65 × 39,820.83
  4. Step 4: Simplify right side
    93,144.44x = 5,559,252,152.99
  5. Step 5: Solve for x
    x = 5,559,252,152.99/93,144.44
  6. Step 6: Final answer
    x = 59,684.21

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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.