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Finding the Fourth Proportional to 93,059.56, 139,603.14 and 43,144.68

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Solution

The fourth proportional to 93,059.56, 139,603.14 and 43,144.68 is: 64,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059.56 : 139,603.14 = 43,144.68 : x
  2. Step 2: Convert to fraction form
    93,059.56/139,603.14 = 43,144.68/x
  3. Step 3: Cross multiply
    93,059.56x = 139,603.14 × 43,144.68
  4. Step 4: Simplify right side
    93,059.56x = 6,023,132,802.30
  5. Step 5: Solve for x
    x = 6,023,132,802.30/93,059.56
  6. Step 6: Final answer
    x = 64,723.42

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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.