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Finding the Fourth Proportional to 70,172.71, 96,830.87 and 41,493.46

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Solution

The fourth proportional to 70,172.71, 96,830.87 and 41,493.46 is: 57,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.71 : 96,830.87 = 41,493.46 : x
  2. Step 2: Convert to fraction form
    70,172.71/96,830.87 = 41,493.46/x
  3. Step 3: Cross multiply
    70,172.71x = 96,830.87 × 41,493.46
  4. Step 4: Simplify right side
    70,172.71x = 4,017,847,831.11
  5. Step 5: Solve for x
    x = 4,017,847,831.11/70,172.71
  6. Step 6: Final answer
    x = 57,256.56

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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.