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Finding the Fourth Proportional to 93,277.58, 139,936.32 and 30,101.30

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Solution

The fourth proportional to 93,277.58, 139,936.32 and 30,101.30 is: 45,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,277.58 : 139,936.32 = 30,101.30 : x
  2. Step 2: Convert to fraction form
    93,277.58/139,936.32 = 30,101.30/x
  3. Step 3: Cross multiply
    93,277.58x = 139,936.32 × 30,101.30
  4. Step 4: Simplify right side
    93,277.58x = 4,212,265,149.22
  5. Step 5: Solve for x
    x = 4,212,265,149.22/93,277.58
  6. Step 6: Final answer
    x = 45,158.39

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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.