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Finding the Fourth Proportional to 93,292.41, 128,743.22 and 50,850.94

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Solution

The fourth proportional to 93,292.41, 128,743.22 and 50,850.94 is: 70,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,292.41 : 128,743.22 = 50,850.94 : x
  2. Step 2: Convert to fraction form
    93,292.41/128,743.22 = 50,850.94/x
  3. Step 3: Cross multiply
    93,292.41x = 128,743.22 × 50,850.94
  4. Step 4: Simplify right side
    93,292.41x = 6,546,713,802.29
  5. Step 5: Solve for x
    x = 6,546,713,802.29/93,292.41
  6. Step 6: Final answer
    x = 70,174.13

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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.