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Finding the Fourth Proportional to 111,953.44, 154,483.53 and 66,625.13

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Solution

The fourth proportional to 111,953.44, 154,483.53 and 66,625.13 is: 91,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,953.44 : 154,483.53 = 66,625.13 : x
  2. Step 2: Convert to fraction form
    111,953.44/154,483.53 = 66,625.13/x
  3. Step 3: Cross multiply
    111,953.44x = 154,483.53 × 66,625.13
  4. Step 4: Simplify right side
    111,953.44x = 10,292,485,592.86
  5. Step 5: Solve for x
    x = 10,292,485,592.86/111,953.44
  6. Step 6: Final answer
    x = 91,935.41

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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.