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Finding the Fourth Proportional to 93,212.16, 139,821.75 and 25,751.04

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Solution

The fourth proportional to 93,212.16, 139,821.75 and 25,751.04 is: 38,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,212.16 : 139,821.75 = 25,751.04 : x
  2. Step 2: Convert to fraction form
    93,212.16/139,821.75 = 25,751.04/x
  3. Step 3: Cross multiply
    93,212.16x = 139,821.75 × 25,751.04
  4. Step 4: Simplify right side
    93,212.16x = 3,600,555,477.12
  5. Step 5: Solve for x
    x = 3,600,555,477.12/93,212.16
  6. Step 6: Final answer
    x = 38,627.53

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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.