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Finding the Fourth Proportional to 93,230.67, 128,662.26 and 50,791.53

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Solution

The fourth proportional to 93,230.67, 128,662.26 and 50,791.53 is: 70,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.67 : 128,662.26 = 50,791.53 : x
  2. Step 2: Convert to fraction form
    93,230.67/128,662.26 = 50,791.53/x
  3. Step 3: Cross multiply
    93,230.67x = 128,662.26 × 50,791.53
  4. Step 4: Simplify right side
    93,230.67x = 6,534,953,038.66
  5. Step 5: Solve for x
    x = 6,534,953,038.66/93,230.67
  6. Step 6: Final answer
    x = 70,094.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.