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Finding the Fourth Proportional to 93,696.36, 129,305.61 and 55,477.73

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Solution

The fourth proportional to 93,696.36, 129,305.61 and 55,477.73 is: 76,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696.36 : 129,305.61 = 55,477.73 : x
  2. Step 2: Convert to fraction form
    93,696.36/129,305.61 = 55,477.73/x
  3. Step 3: Cross multiply
    93,696.36x = 129,305.61 × 55,477.73
  4. Step 4: Simplify right side
    93,696.36x = 7,173,581,072.54
  5. Step 5: Solve for x
    x = 7,173,581,072.54/93,696.36
  6. Step 6: Final answer
    x = 76,562.00

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1.5x scale

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.