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Finding the Fourth Proportional to 93,273.65, 128,713.87 and 50,831.27

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Solution

The fourth proportional to 93,273.65, 128,713.87 and 50,831.27 is: 70,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,273.65 : 128,713.87 = 50,831.27 : x
  2. Step 2: Convert to fraction form
    93,273.65/128,713.87 = 50,831.27/x
  3. Step 3: Cross multiply
    93,273.65x = 128,713.87 × 50,831.27
  4. Step 4: Simplify right side
    93,273.65x = 6,542,689,478.71
  5. Step 5: Solve for x
    x = 6,542,689,478.71/93,273.65
  6. Step 6: Final answer
    x = 70,145.10

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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.