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Finding the Fourth Proportional to 110,685.36, 152,745.46 and 60,384

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Solution

The fourth proportional to 110,685.36, 152,745.46 and 60,384 is: 83,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,685.36 : 152,745.46 = 60,384 : x
  2. Step 2: Convert to fraction form
    110,685.36/152,745.46 = 60,384/x
  3. Step 3: Cross multiply
    110,685.36x = 152,745.46 × 60,384
  4. Step 4: Simplify right side
    110,685.36x = 9,223,381,856.64
  5. Step 5: Solve for x
    x = 9,223,381,856.64/110,685.36
  6. Step 6: Final answer
    x = 83,329.74

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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.