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Finding the Fourth Proportional to 93,628.80, 129,198.48 and 53,340.18

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Solution

The fourth proportional to 93,628.80, 129,198.48 and 53,340.18 is: 73,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,628.80 : 129,198.48 = 53,340.18 : x
  2. Step 2: Convert to fraction form
    93,628.80/129,198.48 = 53,340.18/x
  3. Step 3: Cross multiply
    93,628.80x = 129,198.48 × 53,340.18
  4. Step 4: Simplify right side
    93,628.80x = 6,891,470,178.93
  5. Step 5: Solve for x
    x = 6,891,470,178.93/93,628.80
  6. Step 6: Final answer
    x = 73,604.17

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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.