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Finding the Fourth Proportional to 93,051.80, 139,601.09 and 29,877.56

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Solution

The fourth proportional to 93,051.80, 139,601.09 and 29,877.56 is: 44,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,051.80 : 139,601.09 = 29,877.56 : x
  2. Step 2: Convert to fraction form
    93,051.80/139,601.09 = 29,877.56/x
  3. Step 3: Cross multiply
    93,051.80x = 139,601.09 × 29,877.56
  4. Step 4: Simplify right side
    93,051.80x = 4,170,939,942.54
  5. Step 5: Solve for x
    x = 4,170,939,942.54/93,051.80
  6. Step 6: Final answer
    x = 44,823.85

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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.