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Finding the Fourth Proportional to 93,203.65, 139,795.01 and 25,745.28

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Solution

The fourth proportional to 93,203.65, 139,795.01 and 25,745.28 is: 38,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.65 : 139,795.01 = 25,745.28 : x
  2. Step 2: Convert to fraction form
    93,203.65/139,795.01 = 25,745.28/x
  3. Step 3: Cross multiply
    93,203.65x = 139,795.01 × 25,745.28
  4. Step 4: Simplify right side
    93,203.65x = 3,599,061,675.05
  5. Step 5: Solve for x
    x = 3,599,061,675.05/93,203.65
  6. Step 6: Final answer
    x = 38,615.03

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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.