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Finding the Fourth Proportional to 93,146.49, 128,542.95 and 50,704.92

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Solution

The fourth proportional to 93,146.49, 128,542.95 and 50,704.92 is: 69,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.49 : 128,542.95 = 50,704.92 : x
  2. Step 2: Convert to fraction form
    93,146.49/128,542.95 = 50,704.92/x
  3. Step 3: Cross multiply
    93,146.49x = 128,542.95 × 50,704.92
  4. Step 4: Simplify right side
    93,146.49x = 6,517,759,996.31
  5. Step 5: Solve for x
    x = 6,517,759,996.31/93,146.49
  6. Step 6: Final answer
    x = 69,973.22

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