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Finding the Fourth Proportional to 93,241.60, 139,588.08 and 61,593.28

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Solution

The fourth proportional to 93,241.60, 139,588.08 and 61,593.28 is: 92,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,241.60 : 139,588.08 = 61,593.28 : x
  2. Step 2: Convert to fraction form
    93,241.60/139,588.08 = 61,593.28/x
  3. Step 3: Cross multiply
    93,241.60x = 139,588.08 × 61,593.28
  4. Step 4: Simplify right side
    93,241.60x = 8,597,687,696.10
  5. Step 5: Solve for x
    x = 8,597,687,696.10/93,241.60
  6. Step 6: Final answer
    x = 92,208.71

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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.