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Finding the Fourth Proportional to 67,501.44, 100,831.32 and 50,005.44

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Solution

The fourth proportional to 67,501.44, 100,831.32 and 50,005.44 is: 74,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.44 : 100,831.32 = 50,005.44 : x
  2. Step 2: Convert to fraction form
    67,501.44/100,831.32 = 50,005.44/x
  3. Step 3: Cross multiply
    67,501.44x = 100,831.32 × 50,005.44
  4. Step 4: Simplify right side
    67,501.44x = 5,042,114,522.38
  5. Step 5: Solve for x
    x = 5,042,114,522.38/67,501.44
  6. Step 6: Final answer
    x = 74,696.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.