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Finding the Fourth Proportional to 110,685.50, 152,745.84 and 60,384.50

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Solution

The fourth proportional to 110,685.50, 152,745.84 and 60,384.50 is: 83,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,685.50 : 152,745.84 = 60,384.50 : x
  2. Step 2: Convert to fraction form
    110,685.50/152,745.84 = 60,384.50/x
  3. Step 3: Cross multiply
    110,685.50x = 152,745.84 × 60,384.50
  4. Step 4: Simplify right side
    110,685.50x = 9,223,481,175.48
  5. Step 5: Solve for x
    x = 9,223,481,175.48/110,685.50
  6. Step 6: Final answer
    x = 83,330.53

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1.5x scale

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.