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Finding the Fourth Proportional to 93,323.94, 139,933.92 and 55,388.61

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Solution

The fourth proportional to 93,323.94, 139,933.92 and 55,388.61 is: 83,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,323.94 : 139,933.92 = 55,388.61 : x
  2. Step 2: Convert to fraction form
    93,323.94/139,933.92 = 55,388.61/x
  3. Step 3: Cross multiply
    93,323.94x = 139,933.92 × 55,388.61
  4. Step 4: Simplify right side
    93,323.94x = 7,750,745,320.65
  5. Step 5: Solve for x
    x = 7,750,745,320.65/93,323.94
  6. Step 6: Final answer
    x = 83,052.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.