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Finding the Fourth Proportional to 111,024.41, 153,212.92 and 60,723.41

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Solution

The fourth proportional to 111,024.41, 153,212.92 and 60,723.41 is: 83,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024.41 : 153,212.92 = 60,723.41 : x
  2. Step 2: Convert to fraction form
    111,024.41/153,212.92 = 60,723.41/x
  3. Step 3: Cross multiply
    111,024.41x = 153,212.92 × 60,723.41
  4. Step 4: Simplify right side
    111,024.41x = 9,303,610,040.58
  5. Step 5: Solve for x
    x = 9,303,610,040.58/111,024.41
  6. Step 6: Final answer
    x = 83,797.88

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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.